to produce musical sounds with the voice <it's relatively rare to find actors who can also sing well> Related Words belt
to utter in musical or drawn out tones <the cantor sang the prayers before the entire congregation>
to utter one's distinctive animal sound <I can hear a bird singing in the distance>
to give information (as to the authorities) about another's improper or unlawful activities <once he saw the kind of jail time he was facing, the suspect was singing loud and clear to the police>
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