Quickness of perception or discernment; penetration of mind; the faculty of nice discrimination.
A bony, often sharp, protuberance, especially that of the ischium.
A sharp, tapering point extending from a plant.
Sanity.
Bits of rolled-up rubber shed by the tires of race cars that accumulate at the edges of the track, especially at the corners.
Any of several children's games played with small balls (made of marble or more commonly glass).