specimen
Definitions
An individual animal, plant, piece of a mineral, or other item used as an example of its species or type for scientific study or display.
A sample of a substance or material, such as blood or tissue, taken for medical examination or testing.
Examples
The biologist carefully examined the rare plant specimen under the microscope.
This fossil is a perfect specimen of a prehistoric marine creature.
He was considered a fine specimen of an athlete, standing over six feet tall.