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Webster 1913 Edition
Incavation
Inˊca-va′tion
(ĭnˊkȧ-vā′shŭn)
, Noun.
 Act of making hollow; also, a hollow; an excavation; a depression. 
Webster 1828 Edition
Incavation
INCAVA'TION
,Noun.
  1.
  A hollow made.Definition 2025
incavation
incavation
English
Noun
incavation (plural incavations)
- The act of making hollow.
- A hollow; a physical depression.