MONADELPHOUS Meaning of MONADELPHOUS in English [ ˌmɒnə'dɛlfəs ]■ adjective Botany (of stamens) united by their filaments.OriginC19: from Gk monos 'one' + adelphos 'brother' + -ous . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004