• Webster's Revised Unabridged Dictionary
    • n Chirm Clamor, or confused noise; buzzing. "The churme of a thousand taunts and reproaches."
    • n Chirm Noise; din; esp.; confused noise, clamor, or hum of many voices, notes of birds, or the like.
    • v. i Chirm To chirp or to make a mournful cry, as a bird.
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Century Dictionary and Cyclopedia
    • chirm To chirp as a bird.
    • chirm To emit a mournful sound, as birds collected together before a storm.
    • chirm To utter as with a chirp.
    • n chirm Clamor; confused noise.
    • n chirm Specifically, the mournful sound emitted before a storm by birds collected together.
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Chambers's Twentieth Century Dictionary
    • v.i Chirm chėrm to cry out: to chirp
    • n Chirm noise, din, hum of voices
    • ***


Webster's Revised Unabridged Dictionary
Cf. AS. cyrman, cirman, to cry out. √24. Cf. Chirp


In literature:

They're chirming and chirping like as many sparrows.
"A Son of Hagar" by Sir Hall Caine
Above me a goldfinch chirmed and fed its young, and they seemed ready to break away upon the wing.
"Wilson's Tales of the Borders and of Scotland" by Various
To hear the birds chirm o'er their pleasing rants!
"The Gentle Shepherd: A Pastoral Comedy" by Allan Ramsay