VIG'ILANCE, n. [L. vigilans. See Vigil.]

1. Forbearance of sleep; a state of being awake.

2. Watchfulness; circumspection; attention of the mind in discovering and guarding against danger, or providing for safety. Vigilance is a virtue of prime importance in a general. The vigilance of the dog is no less remarkable than his fidelity.

3. Guard; watch.

In at this gate none pass the vigilance here plac'd.