patrol
verb/ɐpɐtɾuˈʎaɾ/medium
a·pa·tru·lhar
Definition
To watch over or traverse (an area) systematically, usually to maintain security, order, or to inspect; to patrol.
Security guards patrol the premises at night.
Coast guard vessels patrol the territorial waters.
Common collocations
to patrol the borderto patrol the streets
Etymology
De a- + patrulha + -ar.