sills Meaning, Definition & Usage

  1. noun United States operatic soprano (born in 1929)
    Beverly Sills; Belle Miriam Silverman.
  2. noun structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
    sill.
  3. noun (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock
    sill.

WordNet