air alert

Noun air alert has 3 senses

• air alert(n = noun.time) Array - the time period during which military and civilian agencies are prepared for an enemy air attack; Array
is a kind of period, period of time, time period

• air alert(n = noun.state) Array - the condition in which combat aircraft are airborne and ready for an operation; "aircraft in the Mideast are on air alert"
is a kind of alert, qui vive

• air alert(n = noun.communication) Array - the warning signal that begins a period of preparation for an enemy air attack; Array
is a kind of alarm, alarum, alert, warning signal