The Collaborative International Dictionary of English v.0.48:
Crevalle \Cre`val*le"\ (kr?`v?l-l?"), n. [Prob. of same origin as cavally. See Cavally.] (Zool.) (a) The cavally or jurel. See Cavally, and Jurel. (b) The pompano (Trachynotus Carolinus). [1913 Webster]