noun
chainsaw
A mechanical saw with teeth linked in a chain, used for cutting wood. The loanword チェーンソー is more common in modern Japanese.
See also: チェーンソー
林業では鎖鋸が欠かせない道具だ。
In forestry, a chainsaw is an indispensable tool.
彼は鎖鋸で太い丸太を切った。
He cut the thick log with a chainsaw.
The more common loanword for 'chainsaw'. 鎖鋸 is a native Japanese equivalent, but チェーンソー is used more frequently in everyday speech.
Compound of 鎖 (くさり, 'chain') and 鋸 (のこ, 'saw'). The reading くさりのこ is a straightforward combination of the two elements.