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v. en·treat·ed, en·treat·ing, en·treats
1. To make an earnest request of (someone). See Synonyms at beg.
2. To ask for earnestly; petition for: "She made a hasty gesture with her hand, as if to entreat my patience and my silence" (Charles Dickens).
3. Archaic To deal with; treat.
To make an earnest request or petition.
[Middle English entreten, from Anglo-Norman entreter : en-, causative pref.; see en-1 + treter, to treat; see treat.]