osculatio

oscŭlātĭo, ōnis, f. [osculor],

I a kissing (rare but class.), Cic. Cael. 20, 49; Cat. 48, 5.—

II In med. lang.: venarum, the inosculation of blood-vessels , Gr. ἀναστόμωσις, Cael. Aur. Tard. 2, 10, 121 and 123.