/chig"euhr/ , n.
1. Also called harvest mite, redbug . the six-legged larva of a mite of the family Trombiculidae, parasitic on humans and other vertebrates, sucking blood and causing severe itching and acting as a vector of scrub typhus and other infectious diseases.
2. chigoe.
Also, jigger .
[ 1735-45, Amer.; var. of CHIGOE ]