DRILL n. 2 definitions
An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press.
DUMB a.
h has no well-defined "chill." [U.S.] -- Dumb animal, any animal except man; -- usually restricted to a domestic quadruped; -- so called in contradistinction to man, who is a "speaking animal." -- Dumb cake, a cake made in silence by girls on St. Mark's eve, with certain mystic ceremonies, to discover their future husb…