D defs.my
Entry 1 sense Webster, 1913

batholith

/(băth"ō̇*lĭth)/ · bath·o·lith · IPA /bˈæθəlɪθ/
01 n. A large mass of intrusive igneous rock believed to have solidified deep within the earth.
  1. 1.
    A large mass of intrusive igneous rock believed to have solidified deep within the earth.