stridulatory

enUK

strid·u·late

S0808400 (strĭj′ə-lāt′)v. strid·u·lat·ed, strid·u·lat·ing, strid·u·lates v.intr. To produce a shrill grating, chirping, or hissing sound by rubbing body parts together, as certain insects do.v.tr. To produce by rubbing body parts together: "The crickets stridulated their everlasting monotonous meaningful note" (John Updike).
[From Latin strīdulus, stridulous; see stridulous.]
strid′u·la′tion n.strid′u·la·to′ry (-lə-tôr′ē) adj.