any of various tropical American plants of the genus Tagetes, esp T. erecta (African marigold) and T. patula (French marigold), cultivated for their yellow or orange flower heads and strongly scented foliage: family Asteraceae (composites)
2.
any of various similar or related plants, such as the marsh marigold, pot marigold, bur marigold, and fig marigold
Word origin
C14: from Mary (the Virgin) + gold
marigold in American English
(ˈmærəˌgoʊld)
noun
1.
a.
any of a genus (Tagetes) of annual plants of the composite family, with chiefly red, yellow, or orange flowers
b.
the flower of any of these
2.
any of several other plants, usually of the composite family, as the pot marigold
Word origin
ME marigolde < Marie (prob. the Virgin Mary) + gold, gold