[ in-truh vahy-reez ]
/ ˈɪn trə ˈvaɪ riz /
adverb, adjective Law.
within the legal power or authority of an individual or corporation (opposed to ultra vires).
Origin of intra vires
First recorded in 1875–80, intra vires is from the Latin word intrā vīrēs within the powers
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019