• WordNet 3.6
    • n backsaw a handsaw that is stiffened by metal reinforcement along the upper edge
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Webster's Revised Unabridged Dictionary
    • n Backsaw A saw (as a tenon saw) whose blade is stiffened by an added metallic back.
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Century Dictionary and Cyclopedia
    • n backsaw A saw the web of which is stiffened by a metallic back of greater substance. Such saws have specific names according to their use, as tenon-saw, dovetail-saw, carcass-saw, etc.
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Webster's Revised Unabridged Dictionary
2d back, n. + saw,


In literature:

Cut the tenons, using a backsaw and chisel.
"Mission Furniture" by H. H. Windsor