noun

• Certain smaller edible fish, principally true mackerel and Spanish mackerel in family Scombridae, often speckled,
• typically Scomber scombrus in the British isles.
• A true mackerel, any fish of tribe Scombrini (Scomber spp., Rastrelliger spp.)
• Certain other similar small fish in families Carangidae, Gempylidae, and Hexagrammidae.
• (obsolete) A pimp; also, a bawd.