1an individual animal, plant, piece of a mineral, etc. used as an example of its species or type for scientific study or display:specimens of copper ore
an example of something regarded as typical of its class or group: [as modifier]:a specimen paper of the new test
a sample for medical testing, especially of urine.
2 informal used to refer humorously to a person or animal:Carla could not help feeling a degree of reluctant admiration for this odd female specimen