A breathing sound that may be squeaky, whistling, or musical Wheezes are often (but not always) a symptom of asthma (Some people have asthma but never wheeze, and some people wheeze for reasons other than asthma ) Wheezes are due to air passing through a narrowed opening and are therefore usually accompanied by difficulty breathing
If someone wheezes, they breathe with difficulty and make a whistling sound. He had quite serious problems with his chest and wheezed and coughed all the time `Boy,' wheezed old Pop Ryan. to breathe with difficulty, making a noise in your throat and chest (Probably from a language)
breathing with a husky or whistling sound (Briticism) a clever or amusing scheme or trick; "a clever wheeze probably succeeded in neutralizing the German espionage threat"