secretion secretin • secretional · · · Info · Definitions · Synonyms · Characters · · secretion · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the organic process of synthesizing and releasing some substance. Synonyms: secernment. · · Noun Definition 1 (noun) a functionally specialized substance (especially one that is not a waste) released from a gland or cell. · · Noun Definition 2 Synonyms · · · secernment · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074