An excavation narrow in proportion to its length, a long and narrow hollow dug out of the ground; a ditch, n.1, trench, or fosse. Obsolete.

An excavation narrow in proportion to its length; a long and narrow hollow dug in the ground; the trench or fosse of a fortification, etc.

A trench serving as a fortification; a dry or wet ditch; a foss or moat. Cf. graft, n.2

Fortification. = cunette, n.

A trench sunk along the middle of the dry ditch or moat, serving as a drain, and as an obstacle to the passage of the enemy, or to prevent mining.

Military. A ditch or trench; esp. one dug by the besieged for purposes of defence.

(See quots.)