v. os·cu·lat·ed, os·cu·lat·ing, os·cu·lates
1. To kiss.
2. Mathematics To have three or more points coincident with.
To come together; contact.
[Latin ōsculārī, ōsculāt-, from ōsculum, kiss, diminutive of ōs, mouth; see ōs- in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.