RHOMBENCEPHALON Meaning of RHOMBENCEPHALON in English [ ˌrɒmbɛn'sɛf(ə)lɒn , -'kɛf- ]■ noun Anatomy another term for hindbrain .OriginC19: from rhomb + encephalon . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004