castor oil/ˌkɑ:stər ˈɔɪl; ?@ ˈkæstər ɔɪl; `kæstɚ ˌɔɪl/ thickyellowish oil obtained from the seeds of a tropical plant and used as a laxative and a lubricant 蓖麻油.
牛津英汉双解词典