rhon·chus 
(rŏngkəs)
(rŏngkəs)n. pl. rhon·chi (-kī)
A coarse rattling sound somewhat like snoring, usually caused by secretion in a bronchial tube.
[Latin, a snoring, from Greek *rhonkhos, variant of rhenkos, rhenkhos, from rhenkein, to snore.]
rhonchal (-kəl), rhonchi·al (-kē-əl) adj.