Osculate

[imp. & p. p. OSCULATED; p. pr. & vb. n. OSCULATING.] [Lat. osculari, osculatum, to kiss, from osculum, a little mouth, a kiss, diminutive of os, mouth.]

1. To kiss.
2. (Geom.) To touch, as one curve another, or as two curves when both have a common curvature at the point of contact.