simple past tense and past participle of twin

Produced at, or as if at, a single birth; united.

(baseball) A player who plays for the Minnesota Twins.

plural of Twin

(baseball) The Minnesota Twins team.

Double; dual; occurring as a matching pair. / Forming a pair of twins.

(transitive, obsolete outside Scotland) To separate, divide. / (intransitive, obsolete outside Scotland) To split, part; to go away, depart.

biparous

present participle of twin

action of the verb to twin / giving birth to twins / the pairing of similar objects (such as towns) / (crystallography) the formation of twin crystals