וַיִּכְעַ֨ס אָסָ֜א אֶל־הָרֹאֶ֗ה וַֽיִּתְּנֵ֙הוּ֙ בֵּ֣ית הַמַּהְפֶּ֔כֶת כִּֽי־בְזַ֥עַף עִמּ֖וֹ עַל־זֹ֑את וַיְרַצֵּ֥ץ אָסָ֛א מִן־הָעָ֖ם בָּעֵ֥ת הַהִֽיא׃
Then Asa was wroth with the seer, and put him in the prison-house; for he was in a rage with him because of this thing. And Asa oppressed some of the people the same time.
Rashi on II Chronicles
into the prison house - Heb. בֵּית הַמַּהְפֶּכֶת. A prison made of vaultwork, gewelb(e)t in Middle High German, vaulted (prison).