[ 'strʌɪdə ]
■ noun a strident sound.
↘ Medicine a harsh vibrating noise when breathing, caused by obstruction of the windpipe or larynx.
Origin
C17: from L., from stridere 'to creak'.
STRIDOR
Meaning of STRIDOR in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004