stridor
noun
stri·dor ˈstrī-dər 
-ˌdȯr
1
: a harsh, shrill, or creaking noise
2
: a harsh vibrating sound heard during respiration in cases of obstruction of the air passages
Example Sentences
Recent Examples on the Web Other hallmarks of the condition are a harsh, grating sound when a patient breathes in—inspiratory stridor—and respiratory distress. 
Beth Mole, Ars Technica, 16 May 2022 Other croup symptoms include a hoarse voice, throat pain and stridor—a creaking rattle when a child inhales. Joanna Thompson, Scientific American, 3 Feb. 2022
Beth Mole, Ars Technica, 16 May 2022 Other croup symptoms include a hoarse voice, throat pain and stridor—a creaking rattle when a child inhales. Joanna Thompson, Scientific American, 3 Feb. 2022 Word History
Etymology
Latin, from stridere, stridēre
First Known Use
1632, in the meaning defined at sense 1
Medical Definition
stridor
noun
stri·dor ˈstrīd-ər ˈstrī-ˌdȯ(ə)r
ˈstrī-ˌdȯ(ə)r : a harsh vibrating sound heard during respiration in cases of obstruction of the air passages
laryngeal stridor