os·cu·late 
(ŏskyə-lāt′)
(ŏskyə-lāt′)v. os·cu·lat·ed, os·cu·lat·ing, os·cu·lates
v.tr.
1. To kiss.
2. Mathematics To have three or more points coincident with.
v.intr.
To come together; contact.
[Latin ōsculārī, ōsculāt-, from ōsculum, kiss, diminutive of ōs, mouth; see ōs- in the Appendix of Indo-European roots.]