trimmer

/ˈtrɪmə(r)/ (bre, ipa) · [trˈɪmɚ] /ˈtrɪmər/ (ame, ipa) · [trˈɪmɚ] /ˈtri-mər How to pronounce trimmer (audio)/ (ame, mw)

trimmer — noun

  • trimmersingular
  • trimmersplural

1. a tool or machine that cuts away a small extra part so hair, grass, paper, or an

1.名詞C1
釋義

a tool or machine that cuts away a small extra part so hair, grass, paper, or another edge looks neat and even.

例句

Nadia used a small trimmer to tidy the grass around the mailbox.

collocation: grass trimmer / tidy edges

Before the wedding, Omar borrowed a beard trimmer from his brother.

同義詞
  • clipper

    usually used for hair or animal fur rather than grass or paper

  • cutter

    broader word for a tool that cuts many different materials

用法筆記

Usually appears in compound nouns that name the thing being cut, such as 'beard trimmer', 'hedge trimmer', and 'paper trimmer'. It suggests light shaping or tidying rather than cutting the whole thing down.

常見錯誤

❌We used a trimmer to cut the whole lawn.
✅We used a mower to cut the whole lawn.
💡a trimmer is mainly for edges or small areas, not the main open grass.

2. a small adjustable component on a circuit board that allows very slight changes

2.名詞C2
釋義

a small adjustable component on a circuit board that allows very slight changes so equipment runs at the intended setting or frequency.

例句

The technician adjusted the trimmer until the radio signal sounded clear.

pattern: adjust the trimmer to tune the circuit

A small screwdriver is often needed to turn the trimmer on the board.

用法筆記

Mostly used in electronics repair, design, and service manuals. The part is often adjusted with a small screwdriver after the main circuit has already been built.

3. a supporting beam beside a framed opening that carries the end of another beam,

3.名詞C2
釋義

a supporting beam beside a framed opening that carries the end of another beam, such as around a stairwell or chimney space.

例句

The builder measured the trimmer before cutting the opening for the stairs.

construction use: support beside a stair opening

One cracked trimmer had to be replaced during the attic repair.

同義詞
  • support beam

    broader term; a trimmer is one specific beam beside an opening

用法筆記

Used in carpentry and framing, especially when a floor or roof opening must be supported. It works with a header, so the two terms often appear together on building plans.