Bycatch has 3 different meanings across 1 category:
Noun
Noun
1
unwanted marine creatures that are caught in the nets while fishing for another species
"thousands of dolphins and porpoises and whales are killed as part of the by-catch each year"
2
Any fish (or other creatures) that are not targeted as a catch but are unintentionally caught, and often discarded back into the sea.
Verb
1
To catch unintentionally while fishing for something else.
Broader Terms (hypernyms)