twin / twin/ • n. 1. one of two children or animals born at the same birth. ∎ a person or thing that is exactly like another: there was a bruise on his cheek, a twin to the one on mine. ∎ (the Twins) the zodiacal sign or constellation Gemini. 2. something containing or consisting of two matching or corresponding parts, in particular: ∎ a twin-bedded room. ∎ a twin-engined aircraft. ∎ a twinned crystal. • adj. forming, or being one of, a pair born at one birth: she gave birth to twin boys her twin sister. ∎ forming a matching, complementary, or closely connected pair: the twin problems of economic failure and social disintegration. ∎ Bot. growing in pairs: twin seed leaves. ∎ (of a bedroom) containing two single beds. ∎ (of a crystal) twinned. • v. (twinned , twin·ning ) [tr.] (usu. be twinned) link; combine: the company twinned its core business of brewing with that of distilling.
"twin." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (November 19, 2018). https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/twin-1
"twin." The Oxford Pocket Dictionary of Current English. . Retrieved November 19, 2018 from Encyclopedia.com: https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/twin-1