[f. FRAME sb. + SAW.] A thin saw stretched in a frame which gives it sufficient rigidity in its work (Knight).
1678. Moxon, Mech. Exerc., I. 99. The Office of the Cheeks made to the Frame-Saw is, by the twisted Cord and Tongue to strain the Blade of the Saw the straighter.
1761. Brit. Mag., II. June, 299/2. Crest. Or, an oak fructed, proper, having a frame-saw, transversely fixed in the body of the first.
1832. Babbage, Econ. Manuf., xxii. (ed. 3), 217. The horny exterior is then cut into three portions with a frame-saw.