Dictionary

screwworm

screwworm

noun screw·worm \ˈskrü-ˌwərm\

Definition of SCREWWORM

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

First Known Use of SCREWWORM

1879

screwworm

noun screw·worm \ˈskrü-ˌwərm\   (Medical Dictionary)

Medical Definition of SCREWWORM

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 larva b :  secondary screwworm
2
:  a dipteran fly of the genus Chrysomyia (C. bezziana) that causes myiasis in the Old World

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