membrane membranate • membrane bone · · · Info · Definitions · Synonyms · Characters · · membrane · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) a thin pliable sheet of material. · · Noun Definition 1 (noun) a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants. Synonyms: tissue layer. · · Noun Definition 2 Synonyms · · · tissue layer · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072