say it: ahr-KAYD
arcade is a noun meaning "a covered passageway with shops and stalls on either side". It carries 2 recorded senses.
a covered passageway with shops and stalls on either side
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 arcade 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.