Stridulous \Strid"u*lous\, a. [L. stridulus. See Strident.]

Making a shrill, creaking sound. --Sir T. Browne.

The Sarmatian boor driving his stridulous cart. --Longfellow.

Stridulous laryngitis (Med.), a form of croup, or laryngitis, in children, associated with dyspn[oe]a, occurring usually at night, and marked by crowing or stridulous breathing.

Source: Webster's Revised Unabridged Dictionary (1913)