a. [ Prop., made of hemp, fr. Prov. E. nogs hemp. ] Made of hemp; hence, hard; rough; harsh. [ Obs. ] Johnson. [ 1913 Webster ]
n. [ Ir. noigin, or Gael. noigean. Cf. 1st Nog. ]
n. [ From Nog, v. t. ] Rough brick masonry used to fill in the interstices of a wooden frame, in building. [ 1913 Webster ]