guard
US /ɡɑːrd/
UK /ɡɑːrd/

1.
guardia, vigilante
a person who protects a place or people, or who prevents prisoners from escaping
:
•
The security guard checked our bags at the entrance.
El guardia de seguridad revisó nuestras bolsas en la entrada.
•
A prison guard escorted the inmate to the visiting room.
Un guardia de prisión escoltó al recluso a la sala de visitas.
2.
protector, resguardo
a device or part of something that provides protection
:
•
The machine has a safety guard to prevent accidents.
La máquina tiene un protector de seguridad para prevenir accidentes.
•
He wore a mouth guard during the boxing match.
Llevaba un protector bucal durante el combate de boxeo.
1.
proteger, custodiar
to protect someone or something from danger or harm
:
•
The dog was trained to guard the house.
El perro fue entrenado para proteger la casa.
•
You need to guard your privacy online.
Necesitas proteger tu privacidad en línea.