Entry 2 senses · 2 variants Webster, 1913 Investure · In·ves·ture · IPA /ɪnˈvɛstjʊə(ɹ)/ n. v. t. 01 n. Investiture; investment. 1. Investiture; investment.[Obs.] 02 v. t. To clothe; to invest; to install. 1. To clothe; to invest; to install.[Obs.]