collembolan

1 definition found

collembolan - WordNet (r) 2.1 (2005) :

  collembolan
      n 1: any of numerous minute wingless primitive insects
           possessing a special abdominal appendage that allows the
           characteristic nearly perpetual springing pattern; found in
           soil rich in organic debris or on the surface of snow or
           water [syn: collembolan, springtail]