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, flat intrusion of igneous rock that forms between preexisting layers of rock. Sills occur in parallel to the bedding of the other rocks that enclose them, and, though they may have vertical to horizontal …

The large windows in the sharply angled bedrooms include large sills with built-in cabinets underneath.

SILL definition: Mount, a mountain in E central California, in the Sierra Nevada Mountains. 14,153 feet (4,314 meters). See examples of Sill used in a sentence.

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 even along the direction of foliation in metamorphic rock. The term sill …

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

David Sills V (born May 29, 1996) is an American professional football wide receiver for the Atlanta Falcons of the National Football League (NFL). As a seventh-grade quarterback in 2010, he …

Oct 31, 2025 · sill (plural sills) (architecture, also "window sill") A breast wall; window breast; horizontal brink which forms the base of a window.

1. a horizontal piece or member beneath a window, door, or other opening. 3. a tabular body of intrusive igneous rock, ordinarily between beds of sedimentary rocks or layers of volcanic ejecta. Random …

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 even along the direction of foliation in metamorphic rock. The term sill …