Dictionary

noun

Definitions

1. Quickness of perception or discernment; penetration of mind; the faculty of nice discrimination.

   Synonyms:acuityacutenesscanninessfoxinessintelligencekeennesspenetrationsharpness

2. A sharp, tapering point extending from a plant.

3. A bony, often sharp, protuberance, especially that of the ischium.