| osc | biology: be intermediate between two taxonomic groups |
|---|---|
| osc | the circle that touches a curve (on the concave side) and whose radius is the radius of curvature |
| osc | the act of caressing with the lips (or an instance thereof) |
| osc | (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent |
| osc | someone who kisses |