sill

noun

1
: a horizontal piece (such as a timber) that forms the lowest member or one of the lowest members of a framework or supporting structure: such as
a
: the horizontal member at the base of a window
b
: the threshold of a door
2
: a tabular body of igneous rock injected while molten between sedimentary or volcanic beds or along foliation planes of metamorphic rocks
3
: a submerged ridge at relatively shallow depth separating the basins of two bodies of water

Examples of sill in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Carti sill also support the Weeknd on his upcoming Hurry Up Tomorrow stadium tour, which kicks off in May. Jon Blistein, Rolling Stone, 14 Mar. 2025 The signatures of Norris and Piastri are visible on the interior, on a sill cover on the seat headrest, along with a champions’ laurel. Erik Shilling, Robb Report, 19 Feb. 2025 Officer Felix drew his gun, jumped onto the moving car’s door sill and twice shot Mr. Barnes, as recorded on dash cam footage. Adam Liptak, New York Times, 22 Jan. 2025 Use the wand to reach window sills and curtains, and opt for the pet multi-tool to lift pet hair from stairs and upholstered furniture. Isabel Garcia, People.com, 23 Oct. 2024 See All Example Sentences for sill

Word History

Etymology

Middle English sille, from Old English syll; akin to Old High German swelli beam, threshold

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of sill was before the 12th century

Browse Nearby Words

Cite this Entry

“Sill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sill. Accessed 20 Mar. 2025.

Kids Definition

sill

noun
1
: a horizontal piece (as a timber) that forms the lowest part of a supporting structure: as
a
: the horizontal piece at the base of a window
b
: the timber or stone at the foot of a door : threshold
2
: a flat mass of igneous rock injected while melted between other rocks

More from Merriam-Webster on sill

Last Updated: - Updated example sentences
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