D defs.my
Entry 1 sense Webster, 1913

Valerian

/vəl-ĭr'-ē-ən/ · Va·le·ri·an · IPA /vəˈlɪəɹɪən/
01 n. Any plant of the genus Valeriana. The root of the officinal valerian (Valeriana officinalis) has a strong smell, and is much used in medici…
  1. 1.
    Any plant of the genus Valeriana. The root of the officinal valerian (Valeriana officinalis) has a strong smell, and is much used in medicine as an antispasmodic.(Bot.)
Phrases & compounds
Greek valerian — a plant (Polemonium caeruleum) with blue or white flowers, and leaves resembling those of the officinal valerian.