verb (used with object)
to cut or cut down (lumber, a tree, etc.) with a chain saw.
verb (used without object)
to use a chain saw.
a power saw, usually portable, having teeth set on an endless chain.
Origin of chain saw
An Americanism dating back to 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a motor-driven saw, usually portable, in which the cutting teeth form links in a continuous chain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012