buttocks

buttocks — noun

1. one of the two rounded fleshy parts at the back of the hips that together form t

1.名詞B2
釋義

one of the two rounded fleshy parts at the back of the hips that together form the area you sit on

例句

The doctor gave Omar an injection in his left buttock.

possessive + left/right + buttock (singular)

Amara felt a sharp pain in her right buttock after the long hike.

possessive + right + buttock

同義詞
  • cheek

    informal, e.g. 'one cheek of the bottom'

文法句型

possessive + left/right + buttock

用法筆記

Use 'left' or 'right' before 'buttock' to specify one side. The plural 'buttocks' refers to the whole sitting area (see sense 2).

常見錯誤

❌She sat down and hurt her buttock' (when meaning the whole area).
✅She sat down and hurt her buttocks.
💡Use the plural form when referring to both sides together.

2. the two rounded fleshy parts at the back of the hips, considered together, that

2.名詞B2
釋義

the two rounded fleshy parts at the back of the hips, considered together, that form the part of the body a person sits on

例句

Kwame landed hard on his buttocks when he slipped on the wet floor.

plural form for the whole sitting area

The toddler's buttocks were red after sitting on the hot sand at the beach.

同義詞
  • bottom

    informal, everyday word, A2 level

  • backside

    informal but polite, B1 level

  • rear

    formal or humorous, B2 level

  • butt

    informal, especially US English, B1 level

文法句型

the + buttocks

possessive + buttocks

用法筆記

This sense is always plural. The singular 'buttock' (sense 1) refers to one side only. Common in medical, fitness, and formal contexts.

常見錯誤

❌He has a big buttocks.
✅He has big buttocks.
💡'Buttocks' is already plural; do not use 'a' before it.