1 tr. Math. (of a curve or surface) have contact of at least the second order with; have two branches with a common tangent, with each branch extending in both directions of the tangent.
2 v.intr. & tr. joc. kiss.
3 intr. Biol. (of a species etc.) be related through an intermediate species; have common characteristics with another or with each other.
osculant adj. osculation n. osculatory adj.
L osculari kiss (as OSCULAR)
blow a kiss, brush, brush by, bus, buss, caress, come in contact, contact, glance, graze, hit, impinge, kiss, lip, nudge, peck, rub, scrape, shave, sideswipe, skim, skirt, smack, smooch, squeak by, touch
be contiguous, join, adjoin, abut on, march with, graze, touch, meet, osculate
, come in contact, coincide, coexist, adhere, juxtapose, contact, join (unite), link (vinculum).