jaw

/dʒɔː/ (bre, ipa) · /dʒɔː/ (ame, ipa) · /ˈjȯ/ (ame, mw) · /dʒɑː/ (ame, ipa)

jaw — noun

  • jawsingular
  • jawsplural

1. the bottom part of a person's or animal's face, below the mouth, that contains t

1.名詞A2
釋義

the bottom part of a person's or animal's face, below the mouth, that contains the lower teeth and moves up and down when speaking or eating

例句

Pim clenched his jaw tightly when the doctor gave him the injection.

collocation: clench your jaw (showing tension)

The boxer's jaw was swollen after receiving a punch in the final round.

同義詞
  • chin

    refers only to the bony front tip of the lower jaw, not the whole moving structure

  • mandible

    formal anatomical term for the lower jaw bone; uncommon in everyday speech

用法筆記

The jaw moves when you talk, eat, or show emotion. Expressions like 'clench one's jaw' or 'set one's jaw' indicate anger, tension, or determination.

常見錯誤

I hurt my chin when I fell.' (when meaning the bone below the mouth).
I hurt my jaw when I fell.
💡'chin' is the front tip of the jaw; 'jaw' includes the whole moving part.

2. one of a pair of curved bones inside the mouth that support the teeth and shape

2.名詞B1
釋義

one of a pair of curved bones inside the mouth that support the teeth and shape the mouth opening

例句

The dentist examined Gita's upper jaw and found a small cavity near her back tooth.

collocation: upper jaw / lower jaw

Adina's lower jaw was wired shut for six weeks after the surgery.

同義詞
  • jawbone

    everyday word for the bone of the jaw; identical in meaning

  • mandible

    formal term for the lower jawbone only; not used for the upper jaw

  • maxilla

    anatomical term for the upper jawbone; very technical

用法筆記

Often preceded by 'upper' or 'lower' to specify which of the two bones. In anatomy, the lower jaw bone is called the mandible and the upper jaw bone is the maxilla.

常見錯誤

The doctor said I broke my chin bone.
The doctor said I broke my jawbone.
💡the bone that holds your teeth is the jaw, not the chin.

3. the mouth of an animal, especially one that is large or frightening, thought of

3.名詞B1
釋義

the mouth of an animal, especially one that is large or frightening, thought of as an opening that can bite or grab

例句

The crocodile's powerful jaws snapped shut as it caught the fish.

usually plural for animal mouth

The lioness carried her cub gently in her jaws to a safer spot.

同義詞
  • mouth

    broader term for any animal's mouth; 'jaws' emphasises the biting power and toothy opening

  • maw

    literary word for an animal's mouth or stomach, especially a large one; rare in everyday use

用法筆記

For large or frightening animals, 'jaws' (plural) is more common than 'jaw'. The singular form can be used when referring to one side of the mouth.

常見錯誤

The shark opened its jaw wide.
The shark opened its jaws wide.
💡for large dangerous animals, the plural 'jaws' is the standard form.

4. a part on a device that presses against another part to grip, cut, or hold items

4.名詞B2
釋義

a part on a device that presses against another part to grip, cut, or hold items firmly

例句

The mechanic adjusted the vice jaws so they held the metal pipe without crushing it.

mechanical context: tool parts that grip

Nia carefully placed the wooden block between the clamp jaws and tightened the screw.

同義詞
  • grip

    refers to the holding action rather than the physical parts; 'jaws' are the parts that create the grip

  • clamp

    a device that uses jaws to hold things; can refer to the whole tool rather than just the gripping parts

用法筆記

Typically used in the plural ('jaws') when referring to the pair of gripping parts. Common in descriptions of workshop tools (vice, clamp, pliers, wrench) and industrial machinery.

5. a dangerous or unpleasant situation from which someone or something is barely ab

5.名詞C1
釋義

a dangerous or unpleasant situation from which someone or something is barely able to escape, as if caught in the mouth of a predator

例句

The rescue team pulled the climbers from the jaws of death before the avalanche hit.

idiomatic phrase: the jaws of death

The team snatched victory from the jaws of defeat with a last-minute goal.

idiomatic phrase: snatch victory from the jaws of defeat

同義詞
  • clutches

    similar figurative meaning of being caught in a dangerous situation; 'the clutches of' implies being held, while 'jaws' emphasises being about to be consumed

  • grip

    can be figurative ('the grip of fear'); less vivid than 'jaws'

用法筆記

Almost always appears in fixed figurative phrases: 'the jaws of death', 'the jaws of defeat', 'the jaws of a crisis'. The image is of being caught in a predator's mouth and barely escaping.

常見錯誤

He escaped from death's jaw.
He escaped from the jaws of death.
💡this sense always uses the plural 'jaws' and the structure 'the jaws of [something bad]'.

6. a long, friendly conversation, especially one about everyday matters that is not

6.名詞C1
釋義

a long, friendly conversation, especially one about everyday matters that is not very serious

例句

Christopher had a good jaw with his neighbour about the local election results.

informal use: have a jaw

The two friends sat on the porch and enjoyed a long jaw about old times.

同義詞
  • chat

    the standard neutral word for an informal conversation; 'jaw' is more old-fashioned and colloquial

  • natter

    British informal word for chatting casually about unimportant matters; similar register

用法筆記

Chiefly British informal use. Often appears in the phrase 'have a jaw' meaning 'have a chat'. Less common in American English, where 'chat' or 'talk' is preferred.

7. the narrow opening or entrance to a cave, tunnel, valley, or other enclosed spac

7.名詞C1
釋義

the narrow opening or entrance to a cave, tunnel, valley, or other enclosed space, especially one that seems dangerous or threatening

例句

The explorers stepped into the jaws of the cave, torches cutting through the dark.

the jaws of [a cave/tunnel/valley]

The narrow road passed through the jaws of the mountain pass with steep cliffs.

同義詞
  • mouth

    can mean the entrance to a cave ('the mouth of the cave'); less dramatic than 'jaws'

  • entrance

    neutral word for any opening; 'jaws' adds a sense of danger or threat

用法筆記

Always uses the plural form 'jaws' in the structure 'the jaws of + [geographical feature]'. Literary or dramatic in tone; not used in everyday conversation.

jaw — verb