The meaning of SILL is a horizontal piece (such as a timber) that forms the lowest member or one of the lowest members of a framework or supporting structure.

SILL offers audio recordings sent to your email or a flash drive for $15 or $110 for a set of 12. Orders can be placed at the venue or by calling 941-365-6404. Board Login

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In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock. A sill is a concordant intrusive sheet, meaning that it does not cut across preexisting rock beds.

SILL definition: 1. a flat piece of wood, stone, etc. that forms the base of a window or door 2. a flat piece of…. Learn more.

Old English syll; related to Old Norse svill sill, Icelandic svoli tree trunk, Old High German swella sill, Latin solum ground

A sill is a shelf along the bottom edge of a window, either inside or outside a building.

Define sill. sill synonyms, sill pronunciation, sill translation, English dictionary definition of sill. n. 1. a. A horizontal member that bears the upright portion of a frame. b. A windowsill. 2. Geology A sheet of igneous rock formed by the intrusion of magma...

Definition of sill noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

As nouns the difference between sill and cill is that sill is (also window sill) A horizontal slat which forms the base of a window while cill is more usual spelling of sill when used in the context of an underwater horizontal member which forms the base of a lock gate on a canal or river.