flier noun
plural fliers
plural fliers
Learner's definition of FLIER
[count]
1
: a person or animal that flies飞行物；飞行员；飞机乘客 -
These birds are graceful fliers.这些鸟是姿态优雅的飞翔者。
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Charles Lindbergh was the first flier [=pilot] to fly solo across the Atlantic.查尔斯·林德伯格是第一位单人飞越大西洋的飞行员。
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a fearful/nervous flier [=airplane passenger]恐惧/紧张的飞机乘客
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a frequent flier [=a person who flies often on a particular airline]（常乘坐某一航线的）飞机常客
◊ The usual spelling of this sense in U.S. English is flier. The usual British spelling is flyer.此义项在美国英语中通常拼作flier，在英国英语中通常拼作flyer。
2
usually flyer : a piece of paper that has something printed on it (such as an advertisement or an announcement) and that is given to many people传单
take a flier
US, informal
: to do something that could have either good or bad results : to do something risky冒险 —
often + on