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The Collaborative International Dictionary
Interosculate

Interosculate \In`ter*os"cu*late\, v. i. & t.

  1. To kiss together to touch. See Osculate.

  2. (Biol.) To have the character of, or to lie between, two distinct groups.

Wiktionary
interosculate

vb. 1 To kiss together; to touch. 2 (context biology English) To have the character of, or to lie between, two distinct groups.