SILL as NOUN

  1. Meaning
    • structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
    Hypernyms(s) sill is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower Hyponym(s)
  2. Meaning
    • (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock
    Hypernyms(s) sill is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower