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v. Present participle of shrill.

n. A shrill noise or cry: as, the shrilling of the locust.

n. a continuing shrill noise

"Peyrol, lying on his back under the swinging tiller, heard the calls shrilling and dying away; he heard the ominous rush of _Amelia_'s bow wave as the sloop foamed within ten yards of the tartane's stern; he even saw her upper yards coming down, and then everything vanished out of the clouded sky."

colourful    colorful    imperative    high    high-pitched   

dull    low    sweet   

shrilled    shrilling    shrills   

cry    exclaim   

shrilled    shrilling   

acute    sharp    piercing    high    keen   

Bastille    Belleville    Bill    Brazil    Brill   

high-pitched    loud    muffle    plaintive    raucous