floater
/ˈfləʊtə(r)/noun
1
- a person or thing that floats, in particular漂浮的人（或物）, 尤指：
1.1
- short for FLOATING VOTER.FLOATING VOTER的简称。
1.2
- informal, chiefly N. Amer. a person who frequently changes occupation or residence〈非正式, 主北美〉经常变换工作者; 居无定所者。
1.3
- N. Amer. a worker who is required to do a variety of tasks as the need for each arises〈北美〉（根据需要改换任务的）杂工, 临时工。
1.4
- a fishing float鱼漂。
1.5
- a loose particle within the eyeball which is apparent in one's field of vision（飞蚊症）漂浮斑纹。
2
- Brit. informal, dated a mistake; a gaffe〈英, 非正式, 旧〉错误; 过失。
3
- US an insurance policy covering loss of articles without specifying a location〈美〉流动财产保险单。