Stonefly

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of the freshwater aquatic insects in the order Plecoptera.
  2. 2
    primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones wordnet

Synonyms

All synonyms
plecopteransalmonflystone fly

Etymology

From stone + fly.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.