\ˈsil \

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

Selenite, said to circulate good vibes and a sense of peacefulness, is often placed on window sills to bring extra light into the home. Alyssa Nassner, Curbed, "Cleansing 101: Keeping your home’s energy in check," 17 Oct. 2018 The sills were ridiculously high, and full-length curtains just didn't look good. David A. Keeps, House Beautiful, "Designers Hillary Thomas and Jeff Lincoln on Decorating a 1960s Town House," 11 Apr. 2012 These days the sedan experience involves whacking one’s head against the roof edge while entering the car, falling into the seat with one’s backside barely off the floor and peering out as if from a bunker over the high sill line. WSJ, "Good Riddance to the Long-Run Sedan Era," 31 Aug. 2018 There’s a scene early in the second episode of Sharp Objects where Detective Richard Willis (Chris Messina) is talking to his barber about the flowers left in the window sill where Natalie Keene’s body was found, right in the center of town. Cady Drell, Marie Claire, "Pointed Observations About Sharp Objects Episode 2," 16 July 2018 On Twitter, office workers posted photos and videos of the raccoon resting on sills and climbing up the building's concrete pillars. Author: Brendan O'brien, Anchorage Daily News, "Raccoon triumphs over Minnesota skyscraper, celebrates with cat food," 13 June 2018 The victim's teeth have been pulled out, she’s been placed in a window sill in the center of town, and Camille is among the first on the scene. Cady Drell, Marie Claire, "Pointed Observations About Sharp Objects Episode 1," 9 July 2018 Even first-story windows pose a risk, Friese explains, because in addition to falling out, children trying to climb up onto the sill can fall backwards down onto the floor and hurt themselves. Carolyn L. Todd, SELF, "Emergency Responders Share 9 of the Biggest Death Traps in Your Home," 14 July 2018 Victoria Honeyman, a lecturer in politics at the University of Leeds, said Johnson sill wants to May — but not now, when the complex and compromise-laden work of negotiating Brexit drags on. Fox News, "Regret, relief at departure of Boris Johnson as top UK envoy," 10 July 2018

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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Statistics for sill

Last Updated

11 Dec 2018

Look-up Popularity

Time Traveler for sill

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

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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 \

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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More from Merriam-Webster on sill

Rhyming Dictionary: Words that rhyme with sill

Spanish Central: Translation of sill

Nglish: Translation of sill for Spanish Speakers

Britannica English: Translation of sill for Arabic Speakers Encyclopedia article about sill

Comments on sill

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a soft lustrous wool fabric with mohair

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