Mackerel

n.
Bull mackerel, Chub mackerel . (Zoöl.)
See under Chub.
Frigate mackerel .
See under Frigate.
Horse mackerel .
See under Horse.
Mackerel bird (Zoöl.),
the wryneck; -- so called because it arrives in England at the time when mackerel are in season.
Mackerel cock (Zoöl.),
the Manx shearwater; -- so called because it precedes the appearance of the mackerel on the east coast of Ireland.
Mackerel guide . (Zoöl.)
See Garfish (a).
Mackerel gull (Zoöl.)
any one of several species of gull which feed upon or follow mackerel, as the kittiwake.
Mackerel midge (Zoöl.),
a very small oceanic gadoid fish of the North Atlantic. It is about an inch and a half long and has four barbels on the upper jaw. It is now considered the young of the genus Onos, or Motella.
Mackerel plow ,
an instrument for creasing the sides of lean mackerel to improve their appearance.
Mackerel shark (Zoöl.),
the porbeagle.
Mackerel sky, or Mackerel-back sky ,
a sky flecked with small white clouds; a cirro-cumulus. See Cloud.