Dictionary
un•der•arm
Pronunciation: (un'dur-ärm"), [key]—
adj.
1. of, situated, or for use under the arm or in the armpit:
an underarm deodorant.
2. underhand:
an underarm pitch in softball.
—
n.
armpit.
—
adv.
underhand.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.