toothache

Tooth"ache`, n. (Med.) Defn: Pain in a tooth or in the teeth; odontalgia. Toothache grass (Bot.), a kind of grass (Ctenium Americanum) having a very pungent taste. -- Toothache tree. (Bot.) (a) The prickly ash. (b) A shrub of the genus Aralia (A. spinosa).

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