The Collaborative International Dictionary
Interosculant
Interosculant \In`ter*os"cu*lant\, a.
Mutually touching or intersecting; as, interosculant circles.
(Biol.) Uniting two groups; -- said of certain genera which connect family groups, or of species that connect genera. See Osculant.
Wiktionary
interosculant
a. 1 mutual touching or intersecting. 2 (context biology English) Uniting two groups; said of certain genus which connect family groups, or of species that connect genera.