sill
/sɪl/ noun, adjective, proper noun
Forms sills cill
- noun (architecture, also "window sill") A breast wall; window breast; horizontal brink which forms the base of a window. “She looked out the window resting her elbows on the window sill.”
- noun (construction) A threshold; horizontal structural member of a building near ground level on a foundation or pilings, or lying on the ground, and bearing the upright portion of a frame; a sill plate.
- noun (geology) A stratum of rock, especially an intrusive layer of igneous rock lying parallel to surrounding strata.
- noun A threshold or brink across the bottom of a canal lock for the gates to shut against.
- noun (anatomy) A raised area at the base of the nasal aperture in the skull. “the nasal sill”
- noun (military, historical) The inner edge of the bottom of an embrasure.
- noun (UK) A young herring.
- noun The shaft or thill of a carriage.
- adjective (rare, slang) Silly.
- proper noun A surname.
Etymology
From Middle English sille, selle, sülle, from Old English syll, syl (“sill, threshold, foundation, base, basis”), from Proto-Germanic *sulī (“bar, sill”), from Proto-Indo-European *sel-, *swel- (“beam, board, frame, threshold”).
Cognate with Scots sil, sill (“balk, beam, floor, sill”), Dutch zulle (“sill”), Low German Sull, Sülle (“threshold, ramp, sill”), German Süll, Sülle (“threshold, sill”), Danish syld (“base of a framework building”), Swedish syll (“joist, cross-tie”), Norwegian syll, Icelandic syll, sylla (“sill”). Related also to German Schwelle ( > Danish svelle), Old Norse svill, Latin silva (“wood, forest”), Ancient Greek ὕλη (húlē).
Compare sile.
Compare thill.
Short for silly.
Webster’s 1913
- noun 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.
- noun The shaft or thill of a carriage. [Prov. Eng.]
- noun A young herring. [Eng.]
Etymology [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.]
Etymology [Cf. Thill.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “sill”, CC BY-SA 4.0. Details