Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
Any of various aquatic insects, of the family Notonectidae, that swim on their backs.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
predaceous aquatic insect that swims on its back and may inflict painful bites
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Notonecta undulata
Antonyms: none provided
Broader terms: hemipterous insect, bug, hemipteran, hemipteron
History
From back + swimmer.
Across languages
10 source translations are retained for this English entry.
