NICKER
Nick"er, n. Etym: [From Nick, v.t.]

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.

NICKER NUT
Nick"er nut`.

Defn: A rounded seed, rather smaller than a nutmeg, having a hard smooth shell, and a yellowish or bluish color. The seeds grow in the prickly pods of tropical, woody climbers of the genus Cæsalpinia. C. Bonduc has yellowish seeds; C.Bonducella, bluish gray. [Spelt also neckar nut, nickar nut.]

NICKER TREE
Nick"er tree`. (Bot.)

Defn: The plant producing nicker nuts. [Written also neckar tree and nickar tree.]

NICKING Nick"ing, n. Etym: [From Nick, v. t.] (Coal Mining) (a) The cutting made by the hewer at the side of the face. (b) pl.

Defn: Small coal produced in making the nicking.

NICKLE
Nic"kle, n. (Zoöl.)