Entry 1 sense Webster, 1913 Emplacement /ĭm-plās'-mənt/ · Em·place·ment · IPA /ɪmplˈeɪsmənt/ 01 n. A putting in, or assigning to, a definite place; localization; as, the emplacement of a structure. 1. A putting in, or assigning to, a definite place; localization; as, the emplacement of a structure.