long narrow hole dug in the earth
a deep ditch dug in the ground as a protection for soldiers
"This impinges on my rights as an individual"
"This matter entrenches on other domains"
"He trenched his military camp"
"letters trenched into the stone"
"trench the fallen soldiers"
"trench the vegetables"
"ditch the land to drain it"
"trench the fields"
"The National Guardsmen were sent out to trench"
To plant potatoes..lay them in trenches 6in..deep.
A professional groundworker digging the trenches and putting down the concrete.
Trench the black earth a cubit long and wide.