Definition from Wiktionary, the free dictionary
gnasher (plural gnashers)
- One who gnashes the teeth.
- (colloquial) A tooth.
1993, Alethea Helbig; Agnes Perkins, Children's Literature Association, The Phoenix Award of the Children's Literature Association, 1985-1989, page 85:
- Teeth for the ladies; teeth for the gentlemen — at upwards of two pound ten a gnasher"
1999 June 19, “Holy molar's, look at this gnasher!; MAMMOTH TOOTH DISCOVERED”, in Coventry Evening Telegraph:
- COUNTRY park ranger Bob Thurston could hardly believe his luck when he casually asked bosses at the gravel quarry next door whether any interesting old
2005 November 2, “Bidders to get bite at Napoleon's gnasher”, in Europe Intelligence Wire: