POR'PESS, n. In zoology, a cetaceous fish of the genus Delphinus, whose back is usually blackish or brown, whence it is called in Dutch, bruinvisch, brown fish; the body is thick towards the head, but more slender towards the tail, which is semi-lunar. This fish preys on other fish, and See ks food not only by swimming, but by rooting like a hog in the sand and mud, whence some persons suppose the name has been given to it.
Of cetaceous fish, we met with porpesses, or as some sailors call them, sea-hogs.
