twin-born

• twinborn

twin-born (not comparable)

1. As though born a twin or twins
   • 1834, L[etitia] E[lizabeth] L[andon], chapter VII, in Francesca Carrara. […], volume I, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 72:

     Her expectations were, however, of a more subdued kind—the very depth of a woman's affection casts its own shadow, and love and fear are with her twin-born.