cardinal number
equivalent to the sum of six and five; one more than ten 11(Roman numeral: xi or XI.)
十一；十一个(罗马数字：xi 或 XI.)
the room was about eleven feet wide.
房间约11英尺宽。
eighteen schools were founded, eleven of them in London.
建了18所学校，其中有11所在伦敦。
■eleven years old
十一岁
the eldest is only eleven.
最大的只有11岁。
■eleven o'clock
十一点钟
she often worked until eleven at night.
她经常工作到晚上11点。
■a size of garment or other merchandise denoted by eleven
（衣服等商品的）十一号
■a group or unit of eleven people or things
十一个人（或物）一组
■a sports team of eleven players
十一人的（运动）队
at cricket I played in the first and second elevens.
我在第一板球队和第二板球队打过板球。

---

派生
elevenfold
adjective&; adverb

---

语源
Old English endleofon, from the base of one + a second element (probably expressing the sense 'left over') occurring also in twelve; of Germanic origin and related to Dutch and German elf