simple past tense and past participle of trench

present participle of trench

The excavation of a trench.

trenchant

plural of trench cut

(idiomatic, medicine) Acute necrotizing ulcerative gingivitis, a severe bacterial infection of the gums, typically characterized by inflammation, bleeding, deep ulceration, necrotized tissue, pain, fever, enlarged lymph nodes, fatigue, and halitosis.

plural of trench coat

plural of slit trench

(military) A narrow defensive trench sufficient for one or two soldiers.

(civil engineering) A method for digging trenches for cables and pipes by sawing, which results in narrower trenches (less than 130 mm) and less disturbance to the environment than more traditional methods.