/
ˈspɛsɪmɪn/
n.
  - an individual animal, plant, object, etc. used as an example of its species or type for scientific study or display. 
▸an example of something regarded as typical of its class or group: 
[
as modifier]
 
a specimen signature.
  ▸informal used to refer humorously to a person or animal.
 - a sample for medical testing, especially of urine.
 
Etymology
C17 (in the sense ‘pattern, model’): from L., from specere ‘to look’.