From The Collaborative International Dictionary of English v.0.48:
Nog \Nog\, v. t. [From 2d Nog.] 1. To fill in, as between scantling, with brickwork. [1913 Webster]
2. (Shipbuilding) To fasten, as shores, with treenails. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Nog \Nog\, n. [Abbrev. fr. noggin.] 1. A noggin. [1913 Webster]
2. A kind of strong ale. --Halliwell. [1913 Webster]
3. eggnog. [PJC]
egg nog A drink make from eggs beaten with milk, cream, and sugar, often spiked with rum or other alcoholic liquor, and sometimes seasoned with cinnamon; usually spelled eggnog. It is a traditional drink served at social gatherings during the Christmas season. [PJC]
From The Collaborative International Dictionary of English v.0.48:
Nog \Nog\, n. [Etymol. uncertain.] 1. A wooden block, of the size of a brick, built into a wall, as a hold for the nails of woodwork. [1913 Webster]
2. One of the square logs of wood used in a pile to support the roof of a mine. [1913 Webster]
3. (Shipbuilding) A treenail to fasten the shores. [1913 Webster]