trenchnoun
uk/trentʃ/us/trentʃ/[ C ] a narrow hole that is dug into the ground:
A workman was killed when the sides of the trench he was working in collapsed.
[ C usually plural ] a deep hole dug by soldiers and used as a place from which they can attack the enemy while being hidden:
the trenches of the First World War
trench warfare
Compare
foxhole
Thesaurus: synonyms and related words
Ditches, dams & tunnels
- cut
- cutting
- dam
- dam sth up
- dike
- ditch
- dyke
- groin
- groyne
- spillway
- subway
- the Channel Tunnel
- the Chunnel
- tunnel
- underpass