Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
Either of two similar or closely related objects, entities etc.
A room in a hotel, guesthouse, etc. with two beds; a twin room.
A twin size mattress or a bed designed for such a mattress.
A twin crystal.
(obsolete outside Scotland) To separate, divide.
(obsolete outside Scotland) To split, part; to go away, depart.
(usually in the passive) To join, unite; to form links between (now especially of two places in different countries).
To be paired or suited.
To give birth to twins.
To be born at the same birth.
Double; dual; occurring as a matching pair
Forming a pair of twins.