vt. 用链锯割,<喻>肢解

[ noun ]
portable power saw; teeth linked to form an endless chain
<noun.artifact>

chainsaw \chain"saw`\ (ch[=a]n"s[add]), n.
a portable power saw having teeth that are linked to form an
endless chain, rotated about two pivot points by a power
mechanism, such as an electric motor or a gasoline engine.

Note: They are used to efficiently cut trees, logs, or thick
branches out of doors.

Syn: chain saw.
[WordNet 1.5]