[ ahd ahr-bi-tree-oo m; English ad ahr-bi-tree-uh m ]
/ ɑd ɑrˈbɪ triˌʊm; English æd ɑrˈbɪ tri əm /
at pleasure; at will.
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Origin of ad arbitrium
literally, at (one's) control or decision
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019