stridulate

UK: /ˈstrɪdjʊˌleɪt/ US: (strij′ə lāt′)

WordReference Random House Unabridged Dictionary of American English © 2025

strid•u•late  (strij′ə lāt′), v.i., -lat•ed, -lat•ing. 

1. Animal Behavior to produce a shrill, grating sound, as a cricket does, by rubbing together certain parts of the body; shrill.

• back formation from stridulation. See stridulous, -ate¹, -ion 1830–40

strid′u•la′tion, n. 
strid•u•la•to•ry  (strij′ə lə tôr′ē, -tōr′ē), adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

stridulate / ˈstrɪdjʊˌleɪt/ verb

1. (intransitive) (of insects such as the cricket) to produce sounds by rubbing one part of the body against another

Etymology: 19th Century: back formation from stridulation, from Latin strīdulus creaking, hissing, from strīdēre to make a harsh noise

ˌstriduˈlation noun

ˈstriduˌlator noun