say it: SER-oh
cero is a noun meaning "large edible mackerel of temperate United States coastal Atlantic waters". It carries 2 recorded senses.
large edible mackerel of temperate United States coastal Atlantic waters
large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil
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 cero 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.