patrollinggerund / present participle Used attributively to describe someone or something that is actively patrolling.
Definitions
Engaged in or involved in the act of patrolling; carrying out a patrol. Patrolling officers moved silently along the perimeter.
patrolgerund / present participle Used to describe someone or something currently engaged in patrolling (e.g., "patrolling guards").
Definitions
Engaged in the act of patrolling. Patrolling guards spotted the intruder near the gate.
Synonyms
keeping watch
standing guard