percine noun 2adjective 1forms 1 noun2 •(rare) A fish in the genus Perca.The Percines, or typical perches, are recognizable by the elongated form of the body, and the numerous spines of the first or spinous dorsal fin — 1867 •A protamine found in the sperm of yellow perch Perca flavescensAn other type of diprotamine contains arginine and histidine: the percine [from the perch, Perca flavescens] belongs to this group. — 2012 adjective1 •(no longer used, rare) Resembling a perch (the fish).Got two fine Malapterursus and a Percine form from the natives. — 1885 formspercines