Webster’s Revised Unabridged Dictionary · 1913
Geminate
Gem′i·nate (·nāt), a. [L. geminatus, p. p. of genimare to double. See Gemini.] (Bot.) In pairs or twains; two together; binate; twin; as, geminate flowers. Gray.
Gem′i·nate (·nāt), v. t. To double. [R.] B. Jonson.