\ ˈsil How to pronounce sill (audio) \

Definition of sill

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 The Museum of Natural History sill be open on Fridays, Saturdays and Sundays. Laura Johnston, cleveland, "Big numbers to put the coronavirus surge in perspective: This Week in the CLE," 23 Nov. 2020 To get in, occupants must sit on the door sill and put their legs inside before sliding over into the seat. Peter Valdes-dapena, CNN, "Bugatti unveils a super light hypercar that can top 300 miles an hour," 28 Oct. 2020 When the glass on one window was completely cleared, my cousin Steve pulled himself up on the sill and started through, head-first. San Diego Union-Tribune, "Commentary: I visit Fort Rosecrans National Cemetery to reflect on life, death, respect and redemption," 27 Oct. 2020 Today, the organization sill provides food for those in need, but also reduces financial crises for working individuals and families in the Greater Hartford by area offering short-term programs and education that support and improve sustainability. Steve Smith,, "Ryan Pettengill takes reins at Gifts of Love," 21 Oct. 2020 There's also new trim inside for the sill plates, door handles, window buttons and seat controls, and the sun visors now snap into place magnetically. Joey Capparella, Car and Driver, "Tesla Model 3 Gets Design Changes Inside and Out, Increased Range," 16 Oct. 2020 Finally, remove remaining moisture around the edges with a dry cloth and dry the sill. oregonlive, "Safely clean ash from windows with steel wool, a sponge, soap and squeegee," 10 Oct. 2020 Yesterday, on our last day in Amandola, my wife opened the door of the upstairs bathroom to find a snake sidewinding back and forth along the window sill. Bernhard Warner, Fortune, "Why last week’s great tech sell-off should make investors wary," 8 Sep. 2020 Garcia's head is rested on the window sill as officers keep yelling, pointing their weapons at him, the footage shows. Uriel J. Garcia, The Arizona Republic, "'I'm not afraid,': Phoenix police Chief Jeri Williams welcomes scrutiny," 10 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sill.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sill

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

History and Etymology for sill

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

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Time Traveler for sill

Time Traveler

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

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Statistics for sill

Cite this Entry

“Sill.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

Style: MLA
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More Definitions for sill



English Language Learners Definition of sill

: the shelf at the bottom of a window frame
: a piece of wood, metal, or stone at the bottom of a doorframe
: the part of the frame of a car that is directly under its doors


\ ˈsil How to pronounce sill (audio) \

Kids Definition of sill

1 : a heavy horizontal piece (as of wood) that forms the bottom part of a window frame or a doorway
2 : a horizontal supporting piece at the base of a structure

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