Definition of "unisonant" []

• Of a single sound; producing the same sound. (adjective)

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• "And as the birds breed in communities, often very populous, and all clamour together, the effect of so many powerful and unisonant voices is very grand; but it differs in the two species, owing to the quality of their voices being different; the storm of sound produced by the black-backs is deep and solemn, while that of the herring-gulls has a ringing sharpness almost metallic."
• "Placing two unisonant forks near each other, sweeping the bow over one of them, and then quenching the agitated fork, the other continues to sound; this other can re-excite the former, and several transfers of sound between the two forks can be thus effected."