Search Result for "whirlybird": 
Wordnet 3.0

NOUN (1)

1. an aircraft without wings that obtains its lift from the rotation of overhead blades;
[syn: helicopter, chopper, whirlybird, eggbeater]



WordNet (r) 3.0 (2006):

whirlybird
    n 1: an aircraft without wings that obtains its lift from the
         rotation of overhead blades [syn: helicopter, chopper,
         whirlybird, eggbeater]