box kite

from WordNet (r) 3.0 (2006)

box kite
    n 1: a kite shaped like a box open at both ends

from The Collaborative International Dictionary of English v.0.48

Box kite \Box kite\
   A kite, invented by Lawrence Hargrave, of Sydney, Australia,
   which consist of two light rectangular boxes, or cells open
   on two sides, and fastened together horizontally. Called also
   {Hargrave kite}, or {cellular kite}.
   [Webster 1913 Suppl.] boxlike