WordNet (r) 3.0 (2006):

tomatillo
    n 1: Mexican annual naturalized in eastern North America having
         yellow to purple edible fruit resembling small tomatoes
         [syn: tomatillo, miltomate, purple ground cherry,
         jamberry, Physalis philadelphica]
    2: annual of Mexico and southern United States having edible
       purplish viscid fruit resembling small tomatoes [syn:
       tomatillo, jamberry, Mexican husk tomato, Physalis
       ixocarpa]
    3: small edible yellow to purple tomato-like fruit enclosed in a
       bladderlike husk [syn: tomatillo, husk tomato, Mexican
       husk tomato]