Spider mite Meaning, Definition & Usage

  1. noun web-spinning mite that attacks garden plants and fruit trees
    tetranychid.

WordNet

Definitions
  1. . (Zoöl.) (a) Any one of several species of parasitic mites of the genus Argas and allied genera . See Argas. (b) Any one of numerous small mites injurious to plants.

Webster 1913