D defs.my
Entry 1 sense Webster, 1913

Gentian

/(jĕn"shan [or] jĕn"shĭ*an)/ · Gen·tian · IPA /ˈd͡ʒɛnt͡ʃən/
01 n. Any one of a genus (Gentiana) of herbaceous plants with opposite leaves and a tubular four- or five-lobed corolla, usually blue, but someti…
  1. 1.
    Any one of a genus (Gentiana) of herbaceous plants with opposite leaves and a tubular four- or five-lobed corolla, usually blue, but sometimes white, yellow, or red. See Illust. of Capsule.(Bot.) See: Capsule
Phrases & compounds
Horse gentian — fever root.
Yellow gentian — the officinal gentian (Gentiana lutea). See Bitterwort.