Specimen (noun)

1. A single member of a larger group that is typical of it and is used for scientific study, testing, or examination.
2. A sample of something for examination or study.
3. An example of something, especially an example of something on display, such as in a museum or exhibition.

Origin:

Late 16th century: from latin specimen, from specere "look at".

Examples:

1. The biologist collected a specimen of the rare plant for further study.
2. The geologist examined the rock specimen to determine its composition.
3. The museum displayed a specimen of a dinosaur skeleton.
4. The artist submitted a specimen of their work to be considered for the exhibition.
5. The doctor took a blood specimen from the patient for testing.