speciesn. sing. & pl.[L., a sight, outward appearance, shape, form, a particular sort, kind, or quality, a species. See Spice, n., and cf. Specie, Special.]1. Visible or sensible presentation; appearance; a sensible percept received by the imagination; an image.(Sir I. Newton.)Wit, . . . the faculty of imagination in the writer, which searches over all the memory for the species or ideas of those things which it designs to represent. (Dryden.)(Bacon.)2. (Logic) A group of individuals agreeing in common attributes, and designated by a common name; a conception subordinated to another conception, called a genus, or generic conception, from which it differs in containing or comprehending more attributes, and extending to fewer individuals. Thus, man is a species, under animal as a genus; and man, in its turn, may be regarded as a genus with respect to European, American, or the like, as species.()3. In science, a more or less permanent group of existing things or beings, associated according to attributes, or properties determined by scientific observation.()()4. A sort; a kind; a variety; as, a species of low cunning; a species of generosity; a species of cloth.()5. Coin, or coined silver, gold, or other metal, used as a circulating medium; specie.()There was, in the splendor of the Roman empire, a less quantity of current species in Europe than there is now. (Arbuthnot.)6. A public spectacle or exhibition.(Bacon.)7. (Pharmacy) A component part of a compound medicine; a simple.(Quincy.)8. (Civil Law) The form or shape given to materials; fashion or shape; form; figure.(Burill.)Incipient species (Zol.), a subspecies, or variety, which is in process of becoming permanent, and thus changing to a true species, usually by isolation in localities from which other varieties are excluded.()