English Reference
noun

mackerel

n.
US /ˈmækɝəɫ/ UK /mˈækəɹəl/ mack·er·el UK spelling mackerels

  1. 01 B2 Upper Intermediate

    a sea fish with oily meat and a silver skin with dark stripes.

    any of various predatory marine fish, especially Scomber scombrus, valued as a food source for its high oil content and distinctive iridescent markings.

    Simple

    We grilled fresh mackerel on the barbecue and served it with lemon.

    In context

    The local economy relies heavily on the seasonal migration of mackerel, which brings large shoals into the coastal waters every summer.

  2. 02 C1 Advanced Literary

    a pattern of small, wavy clouds that looks like the scales of a fish.

    a sky pattern consisting of rows of small cirrocumulus or altocumulus clouds, resembling the markings on a mackerel's back.

    Simple

    The sailor looked up at the mackerel sky and predicted a change in the weather.

    In context

    A classic mackerel sky often precedes an approaching warm front, signaling a shift in atmospheric pressure within the next twenty-four hours.

  3. 03 C2 Proficiency Archaic

    a person who controls or manages prostitutes.

    a person who procures customers for prostitutes or a brothel.

    Simple

    The old play featured a character who acted as a mackerel for the local tavern.

    In context

    In early modern English literature, the term mackerel was frequently employed as a derogatory label for those involved in the procurement of illicit services.

    Usage

    This sense is entirely obsolete in modern speech and is only encountered in historical texts.

    pimpprocurer

While the orca pod can devour 1,000 mackerel in a day, fishers far outdo that.

The Guardian· 7 Sept 2026

Etymology 1

From Middle English mackerell, macrell, macrelle, makarell, makerel, makerell, makerelle, makrel, makrell, makyrelle, from Old French maquerel. Further origin unknown.

Etymology 2

From Middle English makerel, maquerel, from Old French maquerel, from Middle Dutch makelare, makelaer (“broker”) (> makelaar (“broker, peddler”)). See also French maquereau.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old French maquerel
Level B2 · Upper Intermediate
Frequency Occasional
Updated