A film stand-in for an actor, in scenes not involving the face, especially during scenes of nudity, or of dangerous activity.

(idiomatic) The boss, the leader (of the pack). / (idiomatic) In a competition, the one expected to win.

(bridge) A double, usually indicating strength and a desire to play the hand; partner is expected to "take out" by making a bid.

An abrupt movement, used, for example, as a comical reaction to a surprising sight, in which someone casually sees something, briefly stops looking at it, realizes what it is, and snaps attention back to it with an expression of surprise or disbelief.

(astronomy) Two stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a binary star.

A nickname for a medical doctor, a person with an advanced educational degree, or a learned person.

(slang, usually in the plural) A Doc Marten shoe or boot.

(US, rare, dated) A male given name or nickname. / A surname.

One of the six traditional counties of Northern Ireland, usually known as County Down. / A surname.

(countable, chiefly US) A surname transferred from the given name. / A village in Nebraska. / A city and village in North Dakota. / A census-designated place in Oklahoma. / A town in Wisconsin.