Bit of catarrh on child producing wheezing sounds

WordNet Word definitions in WordNet
n. a sound like whistling or snoring that is heard with a stethoscope during expiration as air passes through obstructed channels [also: rhonchi (pl)]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rhonchus \Rhon"chus\, n.; pl. Rhonchi . [L., a snoring, a croaking.] (Med.) An adventitious whistling or snoring sound heard on auscultation of the chest when the air channels are partially obstructed. By some writers the term rhonchus is used as equivalent ...

Wiktionary Word definitions in Wiktionary
n. (plural of rhonchus English)

Wikipedia Word definitions in Wikipedia
Rhonchi are coarse rattling respiratory sounds , usually caused by secretions in bronchial airways. "Rhonchi" is the plural form of the singular word "rhonchus". Since the mid-1990s, it has no longer been considered appropriate terminology in auscultation ...