D defs.my
Entry 1 sense Webster, 1913

Calendula

/kəl-ĕj'-əl-ə/ · Ca·len·du·la · IPA /kəlˈɛdʒələ/
01 n. A genus of composite herbaceous plants. One species, Calendula officinalis, is the common marigold, and was supposed to blossom on the cale…
  1. 1.
    A genus of composite herbaceous plants. One species, Calendula officinalis, is the common marigold, and was supposed to blossom on the calends of every month, whence the name.(Bot.)