What does "string trimmer" mean?

A powered, hand-held garden implement that uses a rotating monofilament line to cut grass, etc., without damaging other objects.

What is a synonym for "string trimmer"?

Common synonyms include: whackers.

Pronounced //ˌstɹɪŋ ˈtɹɪmə//.

/ˌstɹɪŋ ˈtɹɪmə/ noun

noun ·Rare ·Advanced level

Noun

1
A powered, hand-held garden implement that uses a rotating monofilament line to cut grass, etc., without damaging other objects.

From string + trimmer.