D defs.my
Entry 1 sense Webster, 1913

Cavin

/kăv'-ĭn/ · Cav·in · IPA /kˈævɪn/
01 n. A hollow way, adapted to cover troops, and facilitate their aproach to a place.
  1. 1.
    A hollow way, adapted to cover troops, and facilitate their aproach to a place.(Mil.)