Word.ws English Dictionary

alderfly

UK/ˈɔːl.də.flaɪ/

alderfly noun: a member of any one of the 66 species of the family Sialidae of megalopteran insects, each specimen of which has a body length not exceeding one inch and possesses long filamentous antennae and four large dark wings.

Noun

alderfly (plural alderflies)

  1. A member of any one of the 66 species of the family Sialidae of megalopteran insects, each specimen of which has a body length not exceeding one inch and possesses long filamentous antennae and four large dark wings.
    Synonyms:
    orl fly
  2. An artificial fly with brown mottled wings, body of peacock harl, and black legs.

Synonyms of alderfly

Forms of alderfly

pluralalderflies

Origin of alderfly

From alder + fly.

Questions about alderfly

What does alderfly mean?
Alderfly means a member of any one of the 66 species of the family Sialidae of megalopteran insects, each specimen of which has a body length not exceeding one inch and possesses long filamentous antennae and four large dark wings.
What part of speech is alderfly?
Alderfly is a noun.
How do you pronounce alderfly?
Alderfly is pronounced /ˈɔːl.də.flaɪ/ (UK).
What is the plural of alderfly?
The plural of alderfly is alderflies.

Words near alderfly in the dictionary

  1. Alderete
  2. Alderetes
  3. Alderfer
  4. Alderfers
  5. alderflies
  6. alderfly
  7. Aldergrove
  8. alderleast
  9. Alderley
  10. Alderley Edge
  11. alderliefest

Source and license

Adapted from Wiktionary: alderfly (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.

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