twinning

Verb

twin (third-person singular simple present twins, present participle twinning, simple past and past participle twinned)

1. (transitive, obsolete outside Scotland) To separate, divide.
2. (intransitive, obsolete outside Scotland) To split, part; to go away, depart.
3. (passive, usually) To join, unite; to form links between (now especially of two places in different countries); to pair with.
   • Reading, the English town, is twinned with Clonmel in Ireland.
4. (intransitive) To give birth to twins.
   • “I’ve run to tell ye,” said the junior shepherd, supporting his exhausted youthful frame against the doorpost, “that you must come directly. Two more ewes have twinned — that’s what’s the matter, Shepherd Oak.”1874, Thomas Hardy, Far from the Madding Crowd
5. (transitive) To be, or be like, a twin to (someone else); to match in some way.
   • The invert child and her innocent child are together lost children, twinning each other despite their distinctions.2009, Kathryn Bond Stockton, The Queer Child, or Growing Sideways in the Twentieth Century, Duke University Press, →ISBN, page 111
6. (intransitive) To be, or be like, a pair of twins (for example, to dress identically); to be paired or suited.
   • “I see you got us twinning today.” Byrd kissed Lay quickly. “I wanted you to dress like me today,” he admitted.2018, Vivian Blue, Your Heart Is Mine: A Criminal Romance, Sullivan Group Publishing, →ISBN

See all 19 meanings of twin