sultanate/ˈsʌltəneɪt; `sʌltnet/ n1 position or period of rule of a sultan 苏丹的地位或统治期.2 territory ruled by a sultan 苏丹统治的领土 the Sultanate of Oman 阿曼国苏丹统治的领土.
牛津英汉双解词典