From The Collaborative International Dictionary of English v.0.44 [gcide]:
Jigger \Jig"ger\ (j[i^]g"g[~e]r), noun [A corrupt. of chigre.]
1. (Zo["o]l.) A species of flea ({Tunga penetrans}, or {Sarcopsylla penetrans}, or {Pulex penetrans}), which burrows beneath the skin; called also {jigger flea}. See {Chigoe}.
2. (Zo["o]l.) Any one of several species of small red mites (esp. {Tetranychus irritans} and {Tetranychus Americanus}) of the family {Trombiculidae}, which, in the larval or leptus stage, burrow beneath the skin of man and various animals, causing great annoyance. Also called {chigger}. [Southern U. S.] [Webster 1913 Suppl. +PJC]
From The Collaborative International Dictionary of English v.0.44 [gcide]:
1. a small tropical flea ({Tunga penetrans}, formerly {Pulex penetrans}); same as {chigoe}. [Also spelled {chigre}.]
Syn: chigoe, chigoe flea, {Tunga penetrans}. [WordNet 1.5]
2. a larval mite of the family {Trombiculidae} that sucks the blood of vertebrates including human beings, causing intense irritation, and serving to transmit several infectious diseases.
Syn: harvest mite, jigger, redbug. [WordNet 1.5]
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Chigoe \Chig"oe\, Chigre \Chig"re\, noun [Cf. F. chigue, perh. fr. Catalan chic small, Sp. chico; or of Peruvian origin.] (Zo["o]l.) A species of flea ({Tunga penetrans}, formerly {Pulex penetrans}), common in the West Indies and South America, which often attacks the feet or any exposed part of the human body, and burrowing beneath the skin produces great irritation. When the female is allowed to remain and breed, troublesome sores result, which are sometimes dangerous. See {Jigger}. [Written also {chegre}, {chegoe}, {chique}, {chigger}, {jigger}.]
Note: The name is sometimes erroneously given to certain mites or ticks having similar habits. ||
From WordNet (r) 2.0 [wn]:
noun
1: small tropical flea; the fertile female burrows under the skin of the host including humans [syn: {chigoe}, {chigoe flea}, {Tunga penetrans}]
2: larval mite that sucks the blood of vertebrates including human beings causing intense irritation [syn: {harvest mite}, {jigger}, {redbug}]
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