ledge

/lɛdʒ/
noun
  1. A narrow, flat shelf-like surface that sticks out from a wall, cliff, or other vertical surface.
    • A climber rested on a small ledge halfway up the cliff.
    • The cat sat on the window ledge and watched the birds.
    • She placed a potted plant on the ledge outside her apartment.
  2. A ridge or underwater shelf of rock, sand, or ice.
    • Divers explored a coral ledge teeming with fish.
    • A thick ice ledge formed along the edge of the frozen lake.
    • The ship ran aground on a submerged ledge near the coast.
  3. A projecting strip or molding on a piece of furniture or structure.
    • The bookshelf has a small ledge that keeps books from sliding off.
    • He hung his keys on the ledge of the wooden cabinet.
    • The picture frame rested on the ledge above the fireplace.