jack mackerel
noun
a mackerellike food fish, Trachurus symmetricus, of Pacific coastal waters of the U.S.
Also called
horse mackerel.
Origin of jack mackerel
An Americanism dating back to 1880–85
Words nearby jack mackerel
jack crosstree,
jack frost,
jack in,
jack ketch,
jack ladder,
jack mackerel,
jack mormon,
jack oak,
jack of all trades,
jack of all trades, master of none,
jack off