(1):
(n.) An ordinary whisper exaggerated so as to produce the hoarse sound known as the "stage whisper." It is a forcible whisper with some admixture of tone.
(2):
(v. i.) To breathe hard, and with an audible piping or whistling sound, as persons affected with asthma.
(3):
(n.) A piping or whistling sound caused by difficult respiration.