Definition of trench
(verb)
impinge or
infringe upon; "This impinges on my rights as an individual"; "This
matter entrenches on
other domains"
cut or
carve deeply into; "letters trenched into the stone"
set, plant, or
bury in a trench; "trench the
fallen soldiers"; "trench the vegetables"
cut a
trench in, as for drainage; "ditch the
land to
drain it"; "trench the fields"
dig a
trench or trenches; "The National Guardsmen were
sent out to trench"