Standard Lemma guide

bycatch

noun · verb · 4 senses · updated from the 2026-07-25 local source snapshot

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.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Any fish (or other creatures) that are not targeted as a catch but are unintentionally caught, and often discarded back into the sea.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any person, animal, or thing, captured unintentionally on camera or film.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To catch unintentionally while fishing for something else.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

unwanted marine creatures that are caught in the nets while fishing for another species

Definition source: Princeton WordNet 3.0

Examples

  • thousands of dolphins and porpoises and whales are killed as part of the by-catch each year

Meaning relationships

Synonyms: by-catch

Antonyms: none provided

Broader terms: marine animal, marine creature, sea animal, sea creature

History

Etymology

Etymology tree English by- Latin captus Proto-Indo-European *-yetider. Latin -io Vulgar Latin *captiāre Old French chacierbor. Anglo-Norman cachierbor. Middle English cacchen English catch English bycatch From by- + catch.

Across languages

Translations

13 source translations are retained for this English entry.

  • Catalan: captura accessòria — unintended catch
  • Chinese Mandarin: 混獲 /混获 (hùnhuò) — unintended catch
  • Czech: vedlejší úlovek — unintended catch
  • Dutch: bijvangst — unintended catch
  • Finnish: sivusaalis — unintended catch
  • French: prise accessoire — unintended catch
  • French: capture accessoire — unintended catch
  • German: Beifang — unintended catch
  • Japanese: 混獲 — unintended catch
  • Polish: przyłów — unintended catch
  • Portuguese: captura acessória — unintended catch
  • Spanish: captura accesoria — unintended catch
  • Welsh: sgîl-ddalfa — unintended catch
Real reading context

bycatch in complete knowledge articles