keep vigil

: to retain in one's possession or power

: to refrain from granting, giving, or allowing

: to have in control

: the means or provisions by which one is kept

: one that keeps or protects: such as

: fortress, castle

: the act of keeping awake at times when sleep is customary

: an act or period of watching or surveillance : watch

: a watch formerly kept on the night before a religious feast with prayer or other devotions