Noun worcester has 3 senses
- Worcester, Joseph Emerson Worcester - United States lexicographer who was accused of plagiarism by Noah Webster (1784-1865)
--1 is a kind of lexicographer, lexicologist
- Worcester - an industrial and university city in central Massachusetts west of Boston
--2 is a kind of city, metropolis, urban center
--2 is a part of Massachusetts, Bay State, Old Colony, MA
- Worcester - a cathedral city in west central England on the River Severn
--3 is a kind of city, metropolis, urban center
--3 is a part of England
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