διόρυγμα

ατος, τό
A. cut, canal, as that across the isthmus of Mount Athos, Th. 4.109.
II. digging through, house-breaking, LXX Ex. 22.2(1), Je. 2.34.
III. hole made in wall by χελώνη, Aen.Tact. 32.12.
IV. siege-mine, D.S. 20.94.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project