castorKK [ˋkæstɚ] /ˈkæstɚ/名詞1蓖麻多用於 castor oilCastor oil is still sold in pharmacies as a mild laxative.蓖麻油在藥局仍當作溫和的瀉藥販售。2腳輪、萬向輪亦作 casterOne castor on the office chair keeps sticking on the carpet.辦公椅有一個腳輪老是卡在地毯上。3調味瓶、胡椒罐英式She passed me the castor of pepper across the table.她把胡椒罐從桌子對面遞給我。4北河二天文Castor and Pollux mark the heads of the twins in Gemini.北河二與北河三標示出雙子座兩位孿生兄弟的頭部。