| • | Being one of two born at a birth; as, a twin brother or sister. |
| • | Being one of a pair much resembling one another; standing the relation of a twin to something else; -- often followed by to or with. |
| • | Double; consisting of two similar and corresponding parts. |
| • | Composed of parts united according to some definite law of twinning. See Twin, n., 4. |
| • | One of two produced at a birth, especially by an animal that ordinarily brings forth but one at a birth; -- used chiefly in the plural, and applied to the young of beasts as well as to human young. |
| • | A sign and constellation of the zodiac; Gemini. See Gemini. |
| • | A person or thing that closely resembles another. |
| • | A compound crystal composed of two or more crystals, or parts of crystals, in reversed position with reference to each other. |
| • | To bring forth twins. |
| • | To be born at the same birth. |
| • | To cause to be twins, or like twins in any way. |
| • | To separate into two parts; to part; to divide; hence, to remove; also, to strip; to rob. |
| • | To depart from a place or thing. |
