Underlay1. (v. t.) To lay beneath; to put under.
2. (v. t.) To raise or support by something laid under; as, to underlay a cut, plate, or the like, for printing. See Underlay.
3. (n.) To put a tap on (a shoe).
4. (v. i.) To incline from the vertical; to hade; -- said of a vein, fault, or lode.
5. (n.) The inclination of a vein, fault, or lode from the vertical; a hade; -- called also underlie.
6. (n.) A thickness of paper, pasteboard, or the like, placed under a cut, or stereotype plate, or under type, in the from, to bring it, or any part of it, to the proper height; also, something placed back of a part of the tympan, so as to secure the right impression.
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