Plural form of twin, verb_ Third-person singular simple present indicative form of twin

One of two offspring born at the same birth, Mineralogy Two interwoven crystals that are mirror images of each other, One of two; one of a pair or couple linked together by a particular tie or relation; the mate, counterpart, or fellow of another; specifically, one of two creatures produced at a birth_ said of the young both of hitman beings and of beasts, adjective_ 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, a steam vessel propelled by two screws, one on either side of the plane of the keel, Being two or one of two identical or similar people, animals, or things, intransitive verb_ To give birth to twins, To provide a match or counterpart to, To bring forth twins, transitive verb_ To cause to be twins, or like twins in any way, obsolete To separate into two parts; to part; to divide; hence, to remove; also, to strip; to rob

Uttering sameness or the same truth; expressing in the predicate what is given, or obviously implied, in the subject; tautological, (of twins) derived from a single egg or ovum,