condition of heightened watchfulness or preparation for action; "bombers were put on alert during the crisis"
very attentive or observant; "an alert and responsive baby is a joy"; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"
(usually followed by `to') showing acute awareness; mentally perceptive; "alert to the problems"; "alive to what is going on"; "awake to the dangers of her situation"; "was now awake to the reality of his predicament"
not unconscious; especially having become conscious; "the patient is now awake and alert"
a hollow device made of metal that makes a ringing sound when struck
the flared opening of a tubular device
the sound of a bell being struck; "saved by the bell"; "she heard the distant toll of church bells"
United States inventor (born in Scotland) of the telephone (1847-1922)
English painter; sister of Virginia Woolf; prominent member of the Bloomsbury Group (1879-1961)
a phonetician and father of Alexander Graham Bell (1819-1905)
the shape of a bell
(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.