D defs.my
Entry 1 sense Webster, 1913

Sapper

/săpʹər/ · Sap·per · IPA /ˈsæpɚ/
01 n. One who saps; specifically (Mil.), one who is employed in working at saps, building and repairing fortifications, and the like.
  1. 1.
    One who saps; specifically (Mil.), one who is employed in working at saps, building and repairing fortifications, and the like.(Mil.)