Sill Meaning

/sɪl/
C2

Definition, CEFR level C2, pronunciation, examples, and quiz.

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nounA breast wall; window breast; horizontal brink which forms the base of a window.

nounA 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.

Some birds alighted on the window sill.
A large bird landed on the window sill.
CEFR Practice Quiz
She placed the flower pot on the window ____ to get sunlight.
CEFR Practice Quiz (Alternate)
The cat sat on the window ____, watching the birds fly by outside.

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).

"Minor palingenetic magmas probably were generated at this time and intruded the mantling rocks in the form of small sills and apophyses […]." — 1980, Geological Survey Professional Paper, Volume 1119, U.S. Government Printing Office:
"The molten rock in the sills may have ignited vast reserves of shallowly buried natural gas, much like a match applied to a gas barbecue." — 2018, Tim Flannery, Europe: The First 100 Million Years, Penguin, published 2019, page 55::

Explore More C2 Vocabulary Words

CEFR Practice Quiz
She placed the flower pot on the window ____ to get sunlight.
CEFR Practice Quiz (Alternate)
The cat sat on the window ____, watching the birds fly by outside.

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