Stridor serraticus is a medical term referring to a type of noisy breathing caused by an obstruction in the upper respiratory tract. The first part of the word, "stridor," is spelled as /ˈstrɪdər/ in IPA phonetic transcription, with the stress on the first syllable. The second part, "serraticus," is spelled as /səˈrætɪkəs/, with the stress on the second syllable. The word "serraticus" comes from the Latin word "serra," which means "saw," and refers to the saw-like sound of the breathing heard in cases of stridor serraticus.
A rough grating like the sound of a saw.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.