blade

/bleɪd/ (bre, ipa) · [blˈed] /bleɪd/ (ame, ipa) · [blˈed] /ˈblād/ (ame, mw)

blade — noun

  • bladesingular
  • bladesplural

1. the metal section of a knife, razor, or similar tool that actually cuts.

1.名詞B2
釋義

the metal section of a knife, razor, or similar tool that actually cuts.

例句

Hugo dried the knife blades before sliding them back into the drawer.

collocation: knife blades

The barber changed the razor blades after finishing the last customer.

collocation: razor blades

同義詞
  • edge

    the sharp line itself, not the full metal part

  • knife

    the whole tool rather than the cutting section alone

文法句型

the blade of a knife

replace the blades

sharpen a blade

用法筆記

Usually refers to the working cutting part, not the whole tool. Distinguish this sense from sense 8, where blade can mean the entire sword.

2. one of the broad flat pieces on equipment such as a fan, propeller, or oar that

2.名詞B2
釋義

one of the broad flat pieces on equipment such as a fan, propeller, or oar that moves air or water when it turns or sweeps through it.

例句

Ryo cleaned the fan blades before turning the air conditioner back on.

collocation: fan blades

Two cracked propeller blades made the small boat shake in the harbor.

collocation: propeller blades

同義詞
  • paddle

    can mean the whole hand tool, not just one flat part

  • vane

    often a technical word for a moving flat piece in a machine

文法句型

fan blades

propeller blades

the blades of a paddle

用法筆記

This sense is used for parts that move air or water by turning or sweeping through it. It does not refer to a cutting edge.

3. a flat, narrow piece that forms part of something larger and is called a blade b

3.名詞C1
釋義

a flat, narrow piece that forms part of something larger and is called a blade because of its shape.

例句

Selim replaced the wiper blades before the winter rain started.

compound noun: wiper blades

The carpenter sorted the saw blades by size on the back shelf.

同義詞
  • strip

    describes shape only and is less specific than this naming use

  • part

    much more general and does not suggest the flat narrow shape

文法句型

wiper blades

saw blades

blender blades

用法筆記

Common in fixed object names such as wiper blades or saw blades. Unlike sense 2, these parts are not mainly defined by pushing air or water.

4. a single long, narrow leaf from grass or another plant with a similar shape.

4.名詞B2
釋義

a single long, narrow leaf from grass or another plant with a similar shape.

例句

Morning rain still clung to the blades of grass outside Tamar's tent.

collocation: blades of grass

A tiny beetle hid between the wet green blades near the gate.

同義詞
  • leaf

    general word; this sense is mainly for grass and similar narrow leaves

  • frond

    used for ferns or palms, not ordinary grass

文法句型

a blade of grass

blades of grass

用法筆記

Most often appears in the phrase 'a blade of grass' or in the plural 'blades of grass'. It refers to one leaf, not the whole plant.

5. the metal strip fixed under an ice skate for sliding across the ice.

5.名詞B2
釋義

the metal strip fixed under an ice skate for sliding across the ice.

例句

Heather dried the skate blades with a towel after hockey practice.

collocation: skate blades

The coach checked every blade before the children stepped onto the rink.

同義詞
  • runner

    technical word for the long sliding part under a skate or sled

文法句型

the blades of skates

sharpen the skate blades

用法筆記

Used specifically for the metal strip under an ice skate. Distinguish it from sense 1, which is about a cutting tool, and sense 6, which names a prosthetic running device.

6. a curved artificial lower leg that helps an amputee walk or run with spring and

6.名詞C1
釋義

a curved artificial lower leg that helps an amputee walk or run with spring and speed.

例句

Kian trained on carbon-fibre blades before the national para athletics meet.

collocation: carbon-fibre blades

The new blades stored enough energy to help the runner spring forward.

同義詞

文法句型

run on blades

carbon-fibre blades

用法筆記

Usually refers to the curved running prosthesis seen in sport or rehabilitation. The name comes from its narrow spring-like shape, not from cutting.

7. an old-fashioned word for a confident, well-dressed young man.

7.名詞C2
釋義

an old-fashioned word for a confident, well-dressed young man.

例句

The novel describes three young blades laughing outside the theatre doors.

old-fashioned noun: young blades

Village gossip followed the richest blade at every summer dance.

同義詞
  • dandy

    stresses elegant dress and careful style

  • playboy

    often suggests a more flirtatious or irresponsible lifestyle

文法句型

a young blade

a fashionable blade

用法筆記

This meaning is now mainly found in historical writing or playful imitation of older speech. In modern everyday English, people would usually choose a different word.

8. a sword or other long fighting weapon, especially in literary language.

8.名詞C1
釋義

a sword or other long fighting weapon, especially in literary language.

例句

The guard drew his blade when the stranger reached for the chest.

literary use: draw a blade

Two masked fighters crossed blades beneath the palace lanterns.

同義詞
  • sword

    the usual modern word for the weapon itself

  • steel

    poetic term that highlights the metal rather than the object

文法句型

draw a blade

cross blades with someone

用法筆記

More literary and dramatic than sword. In everyday modern English, blade more often means the cutting part of a tool, as in sense 1.

blade — verb