beaker /'bi: ka(r); 'bika/ n 1 open glass vessel with a lip (as used for chemical experiments, etc). 肴唇之大敞口杯 (如作化學(xué)實(shí)驗(yàn)等用之燒杯) 。 2 (liter or archaic) large drinking vessel; goblet. (文或古) 大酒杯。 3 plastic vessel, shaped like and used as a drinking glass. 塑膠杯。