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screwworm

[skroo-wurm] /ˈskruˌwɜrm/
noun
1.
the larva of any of certain flies of the genus Callitroga, which sometimes infests wounds and the nose and navel of domestic animals and humans.
Origin
1875-1880
1875-80, Americanism; screw + worm
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for screw-worm

screwworm

/ˈskruːˌwɜːm/
noun
1.
the larva of a dipterous fly, Callitroga macellaria, that develops beneath the skin of living mammals often causing illness or death
2.
the fly producing this larva: family Calliphoridae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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10
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