underlay

4 definitions found

underlay - Collaborative International Dictionary of English v.0.48 :

  Underlay \Un`der*lay"\, v. t. [AS. underlecgan. See Under, and
     Lay, v. t.]
     1. To lay beneath; to put under.
        [1913 Webster]
  
     2. To raise or support by something laid under; as, to
        underlay a cut, plate, or the like, for printing. See
        Underlay, n., 2.
        [1913 Webster]
  
     3. To put a tap on (a shoe). [Prov. Eng.]
        [1913 Webster]

  Underlay \Un`der*lay"\, v. i. (Mining)
     To incline from the vertical; to hade; -- said of a vein,
     fault, or lode.
     [1913 Webster]

  Underlay \Un"der*lay`\, n.
     1. (Mining) The inclination of a vein, fault, or lode from
        the vertical; a hade; -- called also underlie.
        [1913 Webster]
  
     2. (Print.) A thickness of paper, pasteboard, or the like,
        placed under a cut, or stereotype plate, or under type, in
        the form, 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.
        [1913 Webster]

underlay - WordNet (r) 2.1 (2005) :

  underlay
      n 1: a pad placed under a carpet [syn: carpet pad, rug pad,
           underlay, underlayment]
      v 1: raise or support (the level of printing) by inserting a
           piece of paper or cardboard under the type; "underlay the
           plate"
      2: put (something) under or beneath; "They underlaid the
         shingles with roofing paper"
      3: provide with a base, support, lining, or backing; "underlay
         the boards with joists"