D defs.my
Entry 1 sense Webster, 1913

Cobblestone

/käb'-əl-stōnˌ/ · Cob·ble·stone · IPA /ˈkɑbl̩ˌstoʊn/
01 n. A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes.
  1. 1.
    A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes.