osculate

She felt fortunate that Roman Catholic weddings don’t require the couple to “osculate,” a fancy word for kiss.

The depictions of make-out sessions, with actors seeming to osculate the lens, offer a clinical perspective.

It gleams and sparkles in the sunlight and invites lovers to enter and osculate.

In superconducting metals, atoms are aligned in such a way that their orbits tangentially osculate each other, thus allowing electrons to pass smoothly from one atom’s orbit to the next.

When a point of such a curve is given, the osculating plane is determined, hence all the curves through a given point with the same tangent have the same torsion.