Definition of species:

• A class of natural objects having common qualities; a class of plants or animals such as has been or may be derived by germination or generation from a common root or stock; the subdivision of a genus; sort; kind; appearance to the senses or the mind.
• A sort; a kind; a race; a group of individuals or objects sufficiently identical in all their natural qualities to justify the conclussion that they may have sprung from a common stock; a collection of like individuals produced by other individuals equally like them; a rank subordinate to a genus; a group of individuals agreeing in common attributes, and designated by a common name; in med., the component part of a compound medicine.

Usage examples for species

1. It would be idle to deny that I belong to the former species.  More About Peggy by Mrs G. de Horne Vaizey

2. Tympanophora pellucida, new species.  Journals Of Two Expeditions Of Discovery In North-West And Western Australia, Vol. 2 (of 2) by George Grey

3. It was a funny little creature, nine inches in length, a species of notathenia.  South with Scott by Edward R. G. R. Evans

4. Candace had never known many girls, but these were of a different species from any she had seen before.  A Little Country Girl by Susan Coolidge