say it: SUHM-ur-set
somerset is a noun meaning "a county in southwestern England on the Bristol Channel". It carries 2 recorded senses.
an acrobatic feat in which the feet roll over the head (either forward or backward) and return
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for somerset come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.