gill slit, branchial cleft, gill cleft -- (one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes)
dictionary, definition of, free online dictionary, online dictionary, English dictionary, dict, diction, dictonary, glossary, define, definitions, meaning, word of the day, spelling, pronunciation, dictio, dictiona, dic, dicti, dictionar