An open-ended wrench head that is used on a ratchet. Crowfeet come in different sizes. They are used to loosen or tighten nuts in otherwise inaccessible places.
Charlie the Grease Monkey uses a crowfoot to loosen the distributor nut on his Chevy V8.
by The Wog Whomper May 11, 2005
A tool used in roofing to tear off shingles.
Hey Mike, toss that crow foot up to me, I have to tear off more shingles.
by Matt 1 June 17, 2008