verb
(transitive) To make a hole in (something); to hollow.
(transitive) To remove part of (something) by scooping or digging it out.
(transitive) To uncover (something) by digging.
adjective
(rare, as an adjective) Made hollow.
(obsolete, as a participle) excavated, hollowed out
noun
(zoology) Any member of a major grouping of unicellular eukaryotes, of the clade Excavata.