n. An appearance or representation to the senses or the perceptive faculties; an image presented to the eye or the mind.n. Something to be seen or looked at; a spectacle or exhibition; a show.n. In logic, and hence in ordinary language, a class included under a higher class, or, at least, not considered as including lower classes; a kind; a sort; a number of individuals having common characters peculiar to them.n. One of the kinds of things constituting a combined aggregate or a compound; a distinct constituent part or element; an instrumental means: as, the species of a compound medicine.n. In biology, that which is specialized or differentiated recognizably from anything else of the same genus, family, or order; an individual which differs, or collectively those individuals which differ, specifically from all the other members of the genus, etc., and which do not differ from one another in size. shape, color, and so on, beyond the limits of (actual or assumed) individual variability, as those animals and plants which stand in the direct relation of parent and offspring, and perpetuate certain inherited characters intact or with that little modification which is due to conditions of environment.n. Coin; metallic money; specie. See specie.n. One of a class of pharmaceutical preparations consisting of a mixture of dried herbs of analogous medicinal properties, used for making decoctions, infusions, etc. See under tea.n. In civil law, the form or shape given to materials; fashion; form; figure.n. In mathematics: A letter in algebra denoting a quantity.n. A fundamental operation of arithmetic. See the four species, below.n. A former standard of currency in certain parts of Germany and in the north of Europe, apparently answering to the modern dollar of commerce.