Pronunciation: (sēr'ō), [key]
—pl. (esp. collectively) -ro, (esp. referring to two or more kinds or species) -ros.
1. a large Atlantic and Gulf Coast mackerel game fish, Scomberomorus regalis.
2. any of various related fishes.
a combining form meaning “wax,” used in the formation of compound words: cerotype. Also, esp. before a vowel,cer-.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.