'Backsaw' definitions:

Definition of 'backsaw'

From: WordNet
noun
A handsaw that is stiffened by metal reinforcement along the upper edge [syn: backsaw, back saw]

Definition of 'Backsaw'

From: GCIDE
  • Backsaw \Back"saw`\ (b[a^]k"s[add]`), n. [2d back, n. + saw.] A saw (as a tenon saw) whose blade is stiffened by an added metallic back. [1913 Webster]