Hypertext Webster Gateway: "sapper"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sapper \Sap"per\, n. [Cf. F. sapeur.]
One who saps; specifically (Mil.), one who is employed in
working at saps, building and repairing fortifications, and
the like.
From WordNet (r) 1.7 (wn)
sapper
n 1: a military engineer who lays or detects and disarms mines
2: a military engineer who does sapping (digging trenches or
undermining fortifications)
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