- (British English)
a cup, usually made of plastic and often without a handle, used for drinking from （常指无柄的）塑料杯，纸杯 
She drank from a plastic beaker. 她用一只大塑料杯喝水。
Oxford Collocations Dictionaryadjective- glass
- plastic
- fill
- refill
- drain
- …
- contain something
- (British English)
the amount contained in a beaker 一杯（的量） a beaker of coffee 一杯咖啡
a glass cup with straight sides and a lip, used in chemistry, for example for measuring liquids 烧杯 
a glass beaker containing copper sulphate solution 盛有硫酸铜溶液的玻璃烧杯
Oxford Collocations Dictionaryadjective- glass
- plastic
- fill
- refill
- drain
- …
- contain something
Word OriginMiddle English (‘large drinking container’): from Old Norse bikarr, perhaps based on Greek bikos ‘drinking bowl’.