'Sawtooth' definitions:
Definition of 'sawtooth'
(from WordNet)
noun
A serration on a saw blade
Definition of 'Sawtooth'
From: GCIDE
- Sawtooth \Saw"tooth`\, n. (Zool.) An arctic seal (Lobodon carcinophaga), having the molars serrated; -- called also crab-eating seal. [1913 Webster]