NOG
Nog, n. Etym: [Etymol. uncertain.]

1. A wooden block, of the size of a brick, built into a wall, as a hold for the nails of woodwork.

2. One of the square logs of wood used in a pile to support the roof of a mine.

3. (Shipbuilding)

Defn: A treenail to fasten the shores.

NOG
Nog, v. t. Etym: [From 2d Nog.]

1. To fill in, as between scantling, with brickwork.

2. (Shipbuilding)

Defn: To fasten, as shores, with treenails.

NOGGEN
Nog"gen, a. Etym: [Prop., made of hemp, fr. Prov. E. nogs hemp.]