- a tender shrubby plant which is widely cultivated for its red, pink, or white flowers. Some kinds have fragrant leaves which yield an essential oil. See also geranium.
- Genus Pelargonium, family Geraniaceae: many species and several hybrid groups, including the zonal pelargoniums (P. × hortorum), with rounded leaves bearing coloured zones, and the trailing ivy-leaved pelargoniums (P. peltatum)
modern Latin, from Greek pelargos 'stork', apparently on the pattern of geranium (based on Greek geranos 'crane')