screwworm

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noun screw·worm \ˈskrü-ˌwərm\

Definition of screwworm

  1. 1 :  a blowfly (Cochliomyia hominivorax) of the warmer parts of America whose larva develops in sores or wounds or in the nostrils of mammals including humans with serious or sometimes fatal results; especially :  its larva

  2. 2 :  any of several flies other than the screwworm and especially their larvae which parasitize the flesh of mammals

First Known Use of screwworm

1879


Medical Dictionary

screwworm

play
noun screw·worm \ˈskrü-ˌwərm\

Medical Definition of screwworm

  1. 1:  either of two dipteran flies of the genus Cochliomyia:a:  one (C. hominivorax) of the warmer parts of America whose larva develops in sores or wounds or in the nostrils of mammals including humans with serious or sometimes fatal results; especially :  its larvab:  secondary screwworm

  2. 2:  a dipteran fly of the genus Chrysomya (C. bezziana) that causes myiasis in Africa and southern Asia


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