species

noun

1. A type or kind. (Compare race.)
2. A group of sexually reproducing organisms of which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction, usually having similar appearance.
3. A category in the classification of organisms, ranking below genus; a taxon at that rank.
4. An individual or kind of a biological species.
5. A particular type of atom, molecule, ion or other particle.
6. A mineral with a unique chemical formula whose crystals belong to a unique crystallographic system.
7. The image of something cast on a surface, or reflected from a surface, or refracted through a lens or telescope; a reflection.
8. Visible or perceptible presentation; appearance; something perceived.
9. Either of the two elements of the Eucharist after they have been consecrated.
10. Coin, or coined silver, gold, or other metal, used as a circulating medium; specie.
11. A component part of compound medicine; a simple.