papain papaia • papains · · · Info · Definitions · Characters · · papain · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) a proteolytic enzyme obtained from the unripe papaya; used as a meat tenderizer. · · Noun Definition 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070