קְנַס, ch.same, to fine, punish. Y. B. Kam. VIII, end, 6ᶜ וקַנְסֵיה ליטר דדהב he fined him one litra of gold. Bab. B. Kam. 30ᵇ לאלתר קַנְסִינָן וכ׳ do we fine him (decree the forfeiture of the material deposited in the street) at once, or when he derives the intended benefit? Sabb. 3ᵇ מי קַנְסוּהָ רבנן לאהדורי וכ׳ do the Rabbis punish him by forbidding him to withdraw his hand? Ib. בשוגג לא קנסוה וכ׳ if he did it by mistake, the Rabbis do not punish him. Ib. ליקנסוה רבנן let the Rabbis punish him (by forbidding him to withdraw his hand)!; a. fr.—B. Mets. 72ᵃ קנסינן התירא וכ׳ we decree the forfeiture of the legitimate claim (the principal) on account of the illegitimate (the interest; a. e.).