Definition of beakers:
(n) :
A flat-bottomed, straight-sided, glass vessel, with a lip and often a small spout, used as a laboratory container.
(n) :
A drinking vessel without a handle.
(n) :
A mug.
(n) :
(archaeology) An ancient bell-shaped ceramic pot with a wide mouth, narrow neck, and flaring body, used by the Beaker people during the late Neolithic and early Bronze Age.
(n) :
(slang, Antarctica) A scientist.