Word.ws English Dictionary

deer fly

deer fly noun: a louse fly, a species in the family Hippoboscidae (Lipoptena cervi), parasites of elk, deer and other bovine animals, sucking blood and laying eggs in the fur of the host animals, found in Eurasia.

deer fly: a louse fly, a species in the family Hippoboscidae (Lipoptena cervi), parasites of elk, deer and...
Image: Bruce Marlin, CC BY-SA 3.0, via Wikimedia Commons

Noun

deer fly (plural deer flies)

  1. A louse fly, a species in the family Hippoboscidae (Lipoptena cervi), parasites of elk, deer and other bovine animals, sucking blood and laying eggs in the fur of the host animals, found in Eurasia.
    Synonyms:
    deer ked
  2. A gold- or green-eyed horsefly of the genus Chrysops in the family Tabanidae; pests to cattle, horses and humans, feeding on their blood.
    Synonyms:
    yellow fly, stout

Synonyms of deer fly

Forms of deer fly

pluraldeer flies

Questions about deer fly

What does deer fly mean?
Deer fly means a louse fly, a species in the family Hippoboscidae (Lipoptena cervi), parasites of elk, deer and other bovine animals, sucking blood and laying eggs in the fur of the host animals, found in Eurasia.
What part of speech is deer fly?
Deer fly is a noun.
What is the plural of deer fly?
The plural of deer fly is deer flies.

Words near deer fly in the dictionary

  1. deer
  2. deer antler knife
  3. deer antler knives
  4. Deer Creek
  5. deer flies
  6. deer fly
  7. deer fly fever
  8. Deer gun
  9. Deer guns
  10. deer horn knife
  11. deer horn knives

Source and license

Adapted from Wiktionary: deer fly (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “deer fly.” Word.ws, https://word.ws/deer_fly. Based on Wiktionary, CC BY-SA 4.0.