IPA: /ɪmˈpleɪsmənt/
KK: /ɪmˈpleɪsmənt/
A specific place or position where something is placed or set up, often used in a military context for weapons or equipment.
The soldiers took cover in the emplacement to protect themselves from enemy fire.
Emplacement is formed from "em-" (meaning in or into) and "placement" (from Old French *placement*, meaning the act of placing). The word refers to the act of placing something in a specific location or position.
Think of 'placing something in' ('em-') a specific spot — that's what emplacement means.