Sill

5 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sill \Sill\ (s[i^]l), n. [OE. sille, sylle, AS. syl, syll; akin
     to G. schwelle, OHG. swelli, Icel. syll, svill, Sw. syll,
     Dan. syld, Goth. gasuljan to lay a foundation, to found.]
     The basis or foundation of a thing; especially, a horizontal
     piece, as a timber, which forms the lower member of a frame,
     or supports a structure; as, the sills of a house, of a


     bridge, of a loom, and the like. Hence:
     (a) The timber or stone at the foot of a door; the threshold.
     (b) The timber or stone on which a window frame stands; or,
         the lowest piece in a window frame.
     (c) The floor of a gallery or passage in a mine.
     (d) A piece of timber across the bottom of a canal lock for
         the gates to shut against.
         [1913 Webster]
  
     {Sill course} (Arch.), a horizontal course of stone, terra
        cotta, or the like, built into a wall at the level of one
        or more window sills, these sills often forming part of
        it.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sill \Sill\, n. [Cf. {Thill}.]
     The shaft or thill of a carriage. [Prov. Eng.]
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sill \Sill\, n. [Cf. 4th {Sile}.]
     A young herring. [Eng.]
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  sill
       n 1: structural member consisting of a continuous horizontal
            timber forming the lowest member of a framework or
            supporting structure
       2: (geology) a flat (usually horizontal) mass of igneous rock
          between two layers of older sedimentary rock

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  45 Moby Thesaurus words for "sill":
     base, basement, basis, bearing wall, bed, bedding, bedrock,
     doorsill, doorstone, floor, flooring, fond, footing, foundation,
     fundament, fundamental, ground, grounds, groundsel, groundwork,
     hardpan, mudsill, pavement, principle, radical, riprap,
     rock bottom, rudiment, seat, solid ground, solid rock, stereobate,
     stylobate, substratum, substruction, substructure, terra firma,
     threshold, underbuilding, undercarriage, undergirding,
     underpinning, understruction, understructure, window sill