Dictionary.com
Thesaurus.com

housefly

American  
[hous-flahy] / ˈhaʊsˌflaɪ /
Or house fly

noun

plural

houseflies
  1. a medium-sized, gray-striped fly, Musca domestica, common around human habitations in nearly all parts of the world.


housefly British  
/ ˈhaʊsˌflaɪ /

noun

  1. a common dipterous fly, Musca domestica, that frequents human habitations, spreads disease, and lays its eggs in carrion, decaying vegetables, etc: family Muscidae

"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

Etymology

Origin of housefly

late Middle English word dating back to 1400–50; see origin at house, fly 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He flipped open his pad and began: “Item one. Garbage can in kitchen has no lid. Item two. Housefly on kitchen table. Item three. Too much garlic in food. Causes indigestion.”

From "Middlesex: A Novel" by Jeffrey Eugenides

Housefly and drosophilia can be reared in a wooden or metal framed box, covered with a fine mesh or netting.

From Free from School by Alvares, Rahul