sill
noun
\ 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
The airbag, which looks like a pontoon strapped to the car’s side, is packed inside the sill plates, below the vehicle’s doors. — Mark Phelan, USA TODAY, "Exterior airbag could be the next big thing in auto safety. Here's how it works," 10 June 2019 And the outer door skins extend below the sill so road grime will not dirty pants or legs on entry or exit. — San Diego Union-Tribune, "Rolls-Royce Cullinan SUV: a royal rite of passage," 2 Aug. 2019 The airbag, which looks like a pontoon strapped to the car’s side, is packed inside the sill plates, below the vehicle’s doors. — Mark Phelan, USA TODAY, "Exterior airbag could be the next big thing in auto safety. Here's how it works," 10 June 2019 The airbag, which looks like a pontoon strapped to the car’s side, is packed inside the sill plates, below the vehicle’s doors. — Mark Phelan, USA TODAY, "Exterior airbag could be the next big thing in auto safety. Here's how it works," 10 June 2019 The airbag, which looks like a pontoon strapped to the car’s side, is packed inside the sill plates, below the vehicle’s doors. — Mark Phelan, USA TODAY, "Exterior airbag could be the next big thing in auto safety. Here's how it works," 10 June 2019 Plenty of rugged design cues emphasize its SUV attitude such as faux skid plates, black contrasting trim around the bumpers and side sills, and a roof rack. — Joey Capparella, Car and Driver, "Kia Is Working on a New Small SUV, and It's Likely to Come to the U.S.," 23 May 2019 The airbag, which looks like a pontoon strapped to the car’s side, is packed inside the sill plates, below the vehicle’s doors. — Mark Phelan, Detroit Free Press, "Bubble-wrap for your car? Exterior airbags would limit crash injuries," 8 June 2019 For the plant lover: Those without (or with inadequate) window sills will appreciate this three-pronged item. — Ella Riley-adams, Vogue, "11 Colorful Home Gift Ideas for the Design Lover Who Has Everything," 16 Nov. 2018These 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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More Definitions for sill
sill
noun
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
See the full definition for sill in the English Language Learners Dictionary
sill
noun
\ 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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