Two children born of the same parents at the same time. Figuratively used to describe a matching pair.
Examples of twins
Ge 25:21-26 Although Jacob and Esau were twins, their very different characters indicate that God deals with and relates to people individually. See also Ge 38:27-30; Jn 20:24 Didymus means “twin”. It is not known who his twin was; Jn 21:2; Ac 28:11 the mythical twin sons of Zeus regarded as special protectors of sailors
Twins used to illustrate God’s election
Twins used figuratively for matching pairs