Definition of Sill

1. Noun. Structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure.

Specialized synonyms: Doorsill, Doorstep, Threshold, Windowsill
Generic synonyms: Structural Member



2. Noun. (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock.
Category relationships: Geology
Generic synonyms: Rock, Stone

Definition of Sill

1. n. The basis or foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like.

2. n. The shaft or thill of a carriage.

3. n. A young herring.

Definition of Sill

1. Noun. (''also'' '''window sill''') A horizontal slat which forms the base of a window. ¹

2. Noun. A horizontal member bearing the upright portion of a frame. ¹

3. Noun. A horizontal layer of igneous rock between older rock beds. ¹

¹ Source: wiktionary.com

Definition of Sill

1. the horizontal piece that bears the upright portion of a frame [n -S]

Sill Pictures

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Lexicographical Neighbors of Sill

silkworm
silkworm moth
silkworm seed
silkworms
silky
silky anteater
silky cornel
silky dogwood
silky elm
silky oak
silky pocket mouse
silky tamarin
silky terrier
silky willow
silky wisteria
sill (current term)
sillabication
sillabub
sillabubs
silladar
silladars
sillage
sillages
sillcock
sillcocks
siller
sillers
sillibub
sillibubs
sillier

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