Definition of chigger in US English:


(US jigger)


  • 1North American A tiny mite whose parasitic larvae live on or under the skin of warm-blooded animals, where they cause irritation and dermatitis and sometimes transmit scrub typhus.

    Genus Trombicula, family Trombiculidae: many species

    Also called harvest mite
    • ‘Other blood feeding insects or mites that may occasionally be pests of poultry include: chigger mites, biting midges, and black flies (turkey gnats).’
    • ‘Others are rather unpleasant parasites themselves, such as ticks, chiggers, and the skin mites that cause mange and scabies.’
    • ‘Next thing you know, he'll lodge his unequivocal aversion to chigger mites.’
    • ‘Treatment of chiggers includes lathering the affected area with soap and rinsing several times to remove chiggers.’
    • ‘The study for the first time reports a novel animal testing model for evaluating efficacy of repellents against chigger mites.’
  • 2

    another term for chigoe
    • ‘Although I have not subjected myself to all of these, the label says that Repel disgusts chiggers, fleas, mosquitoes, ticks, and sand fleas.’
    • ‘Whenever we went out we both wore hats, and also shoes, indoors and out, so that we did not suffer from jiggers.’
    • ‘I used to think it was to guard against scorpions or other stinging insects, but realised now that it was to prevent jigger attacks.’
    • ‘Deet protects troops on the ground from mosquitoes, deer ticks, biting flies, chiggers, fleas and other insects.’
    • ‘Not only does it repel mosquitoes, but it repels ticks, chiggers, fleas, and flies, too.’


Mid 18th century: variant of chigoe.