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sill |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sill \Sill\, 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. {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 From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sill \Sill\, n. [Cf. {Thill}.] The shaft or thill of a carriage. [Prov. Eng.] From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sill \Sill\, n. [Cf. 4th {Sile}.] A young herring. [Eng.] From WordNet r 1.6 [wn]: sill n 1: 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
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