Meanings
nounalderfly (plural alderflies)
plural alderflies
- 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
- fishingAn artificial fly with brown mottled wings, body of peacock harl, and black legs.
Synonyms & antonyms
nounA 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.
Similar
More synonyms by meaning
noundark-colored insect having predaceous aquatic larvae
Similar
alder flySialis lutaria
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Czech střechatka obecná
- střechatka obecnámegalopteran insect
Dutch elzenvlieg, slijkvlieg
- elzenvliegmegalopteran insect
- slijkvliegmegalopteran insect
Hungarian vízifátyolka, recésfátyolka
- vízifátyolkamegalopteran insect
- recésfátyolkamegalopteran insect
Russian вислокры́лка, сиали́да
- вислокры́лка (vislokrýlka)megalopteran insect
- сиали́да (sialída)megalopteran insect
Cite this entry
APA
alderfly. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/alderfly
MLA
“alderfly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alderfly. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “alderfly,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/alderfly.
Source: alderfly on Wiktionary, CC BY-SA 4.0.