1. kisses
Usage: formal; humorous
2. touches at a single point (in mathematics)
Usage: mathematics; technical

Examples

• The couple osculates under the mistletoe.
• He osculates her cheek goodbye.
• In geometry, two circles osculate when they touch at exactly one point.
• The curve osculates the x-axis at the origin.
• The professor explained how the parabola osculates the tangent line.
• Two spheres can osculate at their point of contact.