Nicker
Pronunciation : Nick"er
Part of Speech : n.
Etymology : [From Nick, v.t.]
Definition : 1. One of the night brawlers of London formerly noted for breaking windows with half-pence. [Cant] Arbuthnot.
2. The cutting lip which projects downward at the edge of a boring bit and cuts a circular groove in the wood to limit the size of the hole that is bored.
Source : Webster's Unabridged Dictionary, 1913