broodstock in English dictionary broodstock Meanings and definitions of "broodstock" (aquaculture) A group of sexually mature individuals of a cultured species that is kept separate for breeding purposes. noun (aquaculture) A group of sexually mature individuals of a cultured species that is kept separate for breeding purposes. more Grammar and declension of broodstock broodstock ( countable and uncountable; plural broodstocks) broodstock (countable and uncountable, plural broodstocks) more Sample sentences with "broodstock" Declension Stem Try again Available translations French Irish Polish Spanish Authors