'chainsaw' definitions:

Definition of 'chainsaw'

From: WordNet
noun
Portable power saw; teeth linked to form an endless chain [syn: chain saw, chainsaw]

Definition of 'chainsaw'

From: GCIDE
  • 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]