twin

either of two offspring born at the same time from the same pregnancy

(astrology) a person who is born while the sun is in Gemini

a waterfall in the Snake River in southern Idaho

a duplicate copy

duplicate or match; "The polished surface twinned his face and chest in reverse"

bring two objects, ideas, or people together; "This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project"

grow as twins; "twin crystals"

give birth to twins

being two identical