The Collaborative International Dictionary
Adosculation
Adosculation \Ad*os"cu*la"tion\, n. [L. adosculari, adosculatum, to kiss. See Osculate.] (Biol.) Impregnation by external contact, without intromission.
Wiktionary
adosculation
n. (context biology English) impregnation by external contact, without intromission