screwworm

[skroo-wurm]

noun

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.

Nearby words

  1. screwed up,
  2. screwhead,
  3. screwpine,
  4. screwplate,
  5. screwup,
  6. screwworm fly,
  7. screwy,
  8. scriabin,
  9. scribble,
  10. scribbler

Origin of screwworm

An Americanism dating back to 1875–80; screw + worm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for screwworm

screwworm

noun

the larva of a dipterous fly, Callitroga macellaria, that develops beneath the skin of living mammals often causing illness or death
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