a.rev describes an agreeable quality attributed to deceptive food and to a beloved voice.

The attested use describes something as agreeable or pleasant: deceptive food is so characterized in Proverbs 20:17, and a voice is so characterized in Song of Songs 2:14.

1. Agreeable quality of food or voice · dominant

   In Proverbs 20:17, the masculine singular absolute adjective characterizes food obtained by deception before the verse contrasts it with a mouth filled with gravel; the APB renders the clause “Food obtained by deception is sweet to a man.” In Song of Songs 2:14, the same form characterizes the voice requested to be heard; the APB renders “your voice is sweet.”

   Proverbs 20:17Song of Songs 2:14

In the Anselm Project Bible: The APB uses “sweet” in both verses, for deceptive food in Proverbs 20:17 and for a voice in Song of Songs 2:14. This repeated English wording confirms the clauses' presentation without isolating every detail of the adjective.