(idiomatic, colloquial, chiefly US) Be attractive, outgoing (typically of women).

plural of angle of reflection

plural of angle of refraction

plural of old flame

plural of ampulla of Lorenzini

(idiomatic) To strike or bump one's own head with a strong blow, especially with concussive force.

An electroreceptor found mainly in cartilaginous fish such as sharks and rays, forming a network of jelly-filled canals.

(informal, intransitive) To depart quietly, without being noticed.

plural of hive of activity

(idiomatic) A very busy place.