Definition of pelargonium
: any of a genus (Pelargonium) of southern African herbs of the geranium family with showy flowers of usually red, pink, or white distinguished by a spurred calyx and irregular corolla —called also geranium, storksbill — compare rose geranium
Origin of pelargonium
New Latin, from Greek pelargos stork (akin to Greek pelios livid, polios gray) + New Latin -nium (as in Geranium) — more at fallow
First Known Use: 1813
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