stridulation
/ˌstrɪdʒəˈleɪʃən/
noun
- A high-pitched, grating sound made by rubbing body parts together, especially by insects like crickets or grasshoppers.
- A loud stridulation came from the grass as we walked through the field.
- Scientists study insect stridulation to understand how they communicate.
- The stridulation of crickets filled the warm summer night.
Synonyms