Noun has 2 senses

• prickleback(n = noun.animal) - small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines;



• prickleback(n = noun.animal) stickleback - small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research;