Siamese twin
noun
Forms Siamese twins
- noun A conjoined twin; one of two people physically joined together.
- noun (by extension) One of two people who are extraordinarily close, or always found together.
- noun (linguistics) Either of a pair of words that occur together as an idiomatic expression or collocation, as in "hammer and sickle", "short and sweet", or "spick and span".
Synonyms
Etymology
Chang and Eng Bunker, conjoined twins from Siam (modern Thailand), were known as the "Siamese twins".
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “Siamese twin”, CC BY-SA 4.0. Details