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Definitions from the Web

Definition:

In architecture, a sill refers to the horizontal member at the bottom of a window or door frame, often extending slightly beyond the wall. It provides structural support and serves as a decorative element.

In geology, a sill is a horizontal sheet of igneous rock that has intruded between older layers of sedimentary rock.

As a noun, sill can also refer to a threshold or ledge, both literally and figuratively.

As a verb, sill means to place or install a sill or to set a threshold or ledge.

Senses:

1. Architecture: The horizontal member at the bottom of a window or door frame.
2. Geology: A horizontal sheet of igneous rock between sedimentary layers.
3. Threshold or ledge, both literally and figuratively.

Sample Sentences:

1. The painter carefully painted the sill of the window frame.
2. The geologist examined the sill to learn more about the geological formations.
3. She sat with her legs dangling over the sill, staring out at the city lights.
4. The novel's opening sentence served as a sill, enticing readers into the story.

Related Products:

Window Sills

Geology Books