chainsaw

noun

1. a power saw, usually portable, having teeth set on an endless chain.

verb (used with object)

1. to cut or cut down (lumber, a tree, etc.) with a chain saw.

verb (used without object)

2. to use a chain saw.

noun

1. a motor-driven saw, usually portable, in which the cutting teeth form links in a continuous chain

n.

also chain saw, chain-saw; 1818 as a surgical apparatus; 1835 in the saw mill sense, from chain (n.) + saw (n.).