OSCULATE

Os″cu‐late (?), v. t. [imp. & p. p. Osculated (?); p. pr. & vb. n. Osculating.] [[L. osculatus, p. p. of osculari to kiss, fr. osculum a little mouth, a kiss, dim. of os mouth. See Oral, and cf. Oscillate.]] 1. 1. To kiss.
2. 2. (Geom.) To touch closely, so as to have a common curvature at the point of contact. See Osculation, 2.