n. The typical genus of the family Thripidæ or Thripsidæ.n. [lowercase] Any member of this genus or family, as Phlœothrips phylloxeræ, which is said to feed on the leaf-gall form of the vine-pest. See cut in next column.n. Among grape-growers, erroneously, any one of the leaf-hoppers of the homopterous family Jassidæ, which feed on the grape.