The Collaborative International Dictionary
Marigold \Mar"i*gold\, n. [Mary + gold.] (Bot.) A name for several plants with golden yellow blossoms, especially the Calendula officinalis (see Calendula), and the cultivated species of Tagetes.
Note: There are several yellow-flowered plants of different genera bearing this name; as, the African marigold or French marigold of the genus Tagetes, of which several species and many varieties are found in gardens. They are mostly strong-smelling herbs from South America and Mexico: bur marigold, of the genus Bidens; corn marigold, of the genus Chrysanthemum ( Chrysanthemum segetum, a pest in the cornfields of Italy); fig marigold, of the genus Mesembryanthemum; marsh marigold, of the genus Caltha ( Caltha palustris), commonly known in America as the cowslip. See Marsh Marigold.
Marigold window. (Arch.) See Rose window, under Rose.
Wiktionary
n. Any of several South African ornamental flowering plants of the genus ''Mesembryanthemum''.
WordNet
n. any of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowers [syn: pebble plant]