The Collaborative International Dictionary of English v.0.48:
Wheezy \Wheez"y\, a. Breathing with difficulty and with a wheeze; wheezing. Used also figuratively. [1913 Webster]WordNet (r) 3.0 (2006):
wheezy adj 1: having a tone of a reed instrument [syn: reedy, wheezy] 2: relating to breathing with a whistling sound [syn: asthmatic, wheezing, wheezy]