1
- bright blue in colour like a cloudless sky天蓝色的; 蔚蓝色的。
1.1
- Heraldry blue【纹章】蓝色的：
postpositive a saltire azure.蓝色X形十字。
1
- mass noun a bright blue colour天蓝色; 蔚蓝色。
1.1
- poetic/literary the clear sky〈诗/文〉碧空。
2
- a small butterfly which is typically blue or purplish, with colour differences between the sexes琉灰蝶。
2.1
- Celastrina and other genera, family Lycaenidae.琉璃灰蝶属及其他属, 灰蝶科。
词源
Middle English (denoting a blue dye)： from Old French asur, azur, from medieval Latin azzurum, azolum, from Arabic al 'the' + lāzaward （from Persian lāžward 'lapis lazuli'）.