D defs.my
Entry 1 sense Webster, 1913

Incavation

/(ĭn`kȧ*vā"shŭn)/ · In·ca·va·tion · IPA
01 n. Act of making hollow; also, a hollow; an excavation; a depression.
  1. 1.
    Act of making hollow; also, a hollow; an excavation; a depression.