A hidden explosive device triggered by the victim's action, such as opening a door or picking up an object.
The enemy left booby traps behind when they retreated.
地雷 is a general landmine, while 仕掛け地雷 specifically refers to a booby trap, often triggered by the victim's own actions.
Standard kanji spelling.
Variant spelling without the okurigana け.
Compound of 仕掛け (しかけ, 'mechanism' or 'device') and 地雷 (じらい, 'landmine').