The pencil is actually assembled around the "lead" (which is actually not lead but is graphite). The pencil has two halves with a groove in each one, and they are sandwiched around the strip of graphite.

A fissure in the skull is when someone has a groove or tear in the skull. This can lead to an abnormally shaped head.

Groove Phi Groove was created on 1962-10-12.

The motto of Groove Phi Groove is '"Through loyalty and integrity, we shall achieve greatness."'.

A carpenter's groove is commonly called a carpentry groove. However, there's also a nickname for this groove. It is commonly nicknamed a rabbit's cut.