01 a. Being one of two born at a birth; as, a twin brother or sister.
-
1.
Being one of two born at a birth; as, a twin brother or sister.
-
2.
Being one of a pair much resembling one another; standing in the relation of a twin to something else; -- often followed by to or with.
-
3.
Double; consisting of two similar and corresponding parts.(Bot.)
-
4.
Composed of parts united according to some definite law of twinning. See Twin, n., 4.(Crystallog.) See: Twin
Phrases & compounds
Twin boat —
a vessel whose deck and upper works rest on two parallel hulls.
Twin flower —
a delicate evergreen plant (Linnaea borealis) of northern climates, which has pretty, fragrant, pendulous flowers borne in pairs on a slender stalk.
Twin-screw steamer —
a steam vessel propelled by two screws, one on either side of the plane of the keel.