ship's bell is a noun meaning "(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.". It carries one recorded sense.
Definitions, synonyms and semantic relations for ship's bell come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.