In geography cartography, linguistics and in grammar toponym means a place name, a geographical name, a proper name of locality, region or some other part of Earth's surface or its natural or artificial feature.
In anatomy toponym is a name of a region of the body, as distinguished from the name of an organ.
In biology a binomial name of a plant.
(Greek: τoπωνυμιo, toponimios| τoπωo, topos, a place, locality + ωνoμα, onoma, name, title).