n. A genus of plants, natural order Compositœ, with yellow or orange flowers, having a powerful but not pleasant odor, natives of the Mediterranean region; the marigolds.n. In ornith.: An old and disused name of the crested wren of Europe, Regulus cristatus. Brisson, 1760.n. The specific name of the ruby-crowned kinglet of North America, Regulus calendula.n. [capitalized] [NL.] A genus of African larks, of which C. crassirostris is an example.