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The Collaborative International Dictionary
Exaugurate

Exaugurate \Ex*au"gu*rate\, v. t. [L. exauguratus, p. p. of exaugurare to profane; ex out + augurari to act as an augur, fr. augur. ] To annul the consecration of; to secularize; to unhellow. [Obs.]
--Holland.

Wiktionary
exaugurate

vb. (context obsolete transitive English) To annul the consecration of; to secularize or unhallow.