1
- a type of bed, in particular床, 尤指：
1.1
- Brit. a small bed with high barred sides for a baby or very young child〈英〉（两边有高围栏的）婴儿床; 幼儿床。
1.2
- a hospital bed病床。
1.3
- N. Amer. a camp bed〈北美〉宿营床。
1.4
- a plain narrow bed简单的窄床。
1.5
- Nautical a bed resembling a hammock hung from deck beams, formerly used by officers【航海】帆布吊铺。
词源
mid 17th cent. （originally Anglo-Indian, denoting a light bedstead）： from Hindi khāt 'bedstead, hammock'.
Mathematics 【数】
- cotangent.同 COTANGENT.