Source : Webster's Revised Unabridged Dictionary (1913)

Sminthurid \Smin*thu"rid\, n. [Gr. ??? a mouse + ??? tail.]
   (Zo["o]l.)
   Any one of numerous small species of springtails, of the
   family {Sminthurid[ae]}, -- usually found on flowers. See
   Illust. under {Collembola}.