twin 1
/twin/ , n., adj., v., twinned, twinning .
n.
1. either of two children or animals brought forth at a birth.
2. either of two persons or things closely related to or closely resembling each other.
3. See twin bed .
4. Also called twin room . a type of hotel accommodation with twin beds, for occupancy by two persons. Cf. double (def. 13).
5. Also called hemitrope . Crystall. a compound crystal consisting of two or more parts or crystals definitely oriented each to the other; macle.
6. Twins , Astron., Astrol. the constellation or sign of Gemini.
adj.
7. being a twin or twins: twin sisters.
8. being two persons or things closely related to or closely resembling each other.
9. being one of a pair; identical: a twin bracelet; a twin peak.
10. consisting of two similar parts or elements joined or connected: a twin vase.
11. Bot. , Zool. occurring in pairs; didymous.
12. Crystall. of the nature of a twin; hemitrope.
13. twofold or double.
v.t.
14. to bring together in close relationship; pair; couple.
15. to furnish a counterpart to or a replica of; match.
16. Informal. to divide or convert into two, parts, similar items, etc.: The old movie palace will be twinned, making two smaller theaters.
17. Informal. to link or combine with: The new grocery store is twinned with a restaurant.
18. Crystall. to form into a twin.
19. Obs. to give birth to as twins.
v.i.
20. to give birth to twins.
21. to be paired or coupled.
[ bef. 900; ME; OE twinn (adj.), getwinn (n. and adj.); akin to OFris twine, ON tvinnr double, Goth twaihnai ]
twin 2
/twin/ , v.t., v.i., twinned, twinning . Scot.
twine 2 .