leydig cell Leyden jar • leydig's cell · · · Info · Definitions · Characters · · leydig cell · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a cell in the testes that secretes the hormone testosterone. Synonyms: Leydig cell, Leydig's cell. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C y latin small letter y U+0079