species Definition

species
noun species

1a. biol.
In taxonomy: any of the groups, Canis familiaris (the domestic dog), into which a genus (sense 1) is divided, the main criterion for grouping being that all the members should be capable of interbreeding and producing fertile offspring;
Thesaurus: class, variety, kind, breed, sort, category.
1b. biol.
The members of one of these units of classification thought of collectively;
1c. loosely
Any group of related plants or animals that share some common features or characteristics, but which do not technically form a taxonomic grouping.
2. chem.
A particular type of atom, molecule or ion.
3. Any group whose members share certain features or characteristics.
4. A kind or type.

Form: species of (usually)

Etymology: 16c: Latin, meaning ‘kind, appearance', from specere to look.