Definition of panelboard

  1. 1 :  a drawing board with an adjustable outside frame that is forced over paper so as to hold and strain it

  2. 2 :  a strong rigid paperboard used for paneling in automobile bodies and in building construction

  3. 3 :  an electrical panel containing switches and fuses or circuit breakers controlling branch circuits (as for lights or fan motors) that is enclosed in a metal cabinet and usually placed in or against a wall —called also distribution board

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a rounded knoll or a ridge of ice

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