Definition of: osculate

(os′kyə·lāt) v.t. & v.i. ·lat·ed, ·lat·ing
1. To kiss.
2. To bring or come into close contact or union.
3. Geom. To touch so as to have three or more points in common, as two curves.
4. Biol. To have (characteristics) in common, as two genera or families. [<L osculatus, pp. of osculari kiss <osculum a little mouth, a kiss, dim. of os mouth]