Search Result for "sapper": 
Wordnet 3.0

NOUN (2)

1. a military engineer who lays or detects and disarms mines;

2. a military engineer who does sapping (digging trenches or undermining fortifications); 



The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]


WordNet (r) 3.0 (2006):

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)