WordNet sense 1 ((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.):

ship's bell

WordNet sense 2 (the shape of a bell):

campana, bell shape

WordNet sense 3 (a phonetician and father of Alexander Graham Bell (1819-1905)):

Alexander Melville Bell, Melville Bell

WordNet sense 4 (English painter; sister of Virginia Woolf; prominent member of the Bloomsbury Group (1879-1961)):

Vanessa Bell, Vanessa Stephen

WordNet sense 5 (United States inventor (born in Scotland) of the telephone (1847-1922)):

Alexander Bell, Alexander Graham Bell

WordNet sense 6 (the sound of a bell being struck):

toll

WordNet sense 7 (a push button at an outer door that gives a ringing or buzzing signal when pushed):

buzzer, doorbell

WordNet sense 8 (a percussion instrument consisting of a set of tuned bells that are struck with a hammer; used as an orchestral instrument):

chime, gong