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ferula Definition

feru·la (fer′yo̵̅o̅ lə, fer′o̵̅o̅-)

noun pl. -·lae′--lē′

  1. any of a genus (Ferula) of plants of the umbel family, valuable as a source of various gums, as asafetida
  2. ferule

Etymology: ModL < L, giant fennel, hence, stick, whip, rod, prob. akin to festuca, blade of grass