v. & n.
v. 1 tr. & intr. make or become sore or damaged by rubbing. 2 tr. rub (esp. the skin to restore warmth or sensation). 3 tr. & intr. make or become annoyed; fret (was chafed by the delay).
n. 1 a an act of chafing. b a sore resulting from this. 2 a state of annoyance.
[ ME f. OF chaufer ult. f. L calefacere f. calere be hot + facere make ]