A Panel

A (usually) rectangular section of a surface, or of a covering or of a wall, fence etc.

(architecture) A sunken compartment with raised margins, moulded or otherwise, as in ceilings, wainscotings, etc.

A group of people gathered to judge, interview, discuss etc. as on a television or radio broadcast for example.
(comics) An individual frame or drawing in a comic.
(graphical user interface) A type of GUI widget, such as a control panel.
(law) A document containing the names of persons summoned as jurors by the sheriff
(law) The whole jury
(law, Scotland) A prisoner arraigned for trial at the bar of a criminal court.
(obsolete) A piece of cloth serving as a saddle.
A soft pad beneath a saddletree to prevent chafing.
(joinery) A board having its edges inserted in the groove of a surrounding frame.
(masonry) One of the faces of a hewn stone.
(masonry) A slab or plank of wood used instead of a canvas for painting on.
(mining) A heap of dressed ore.
(mining) One of the districts divided by pillars of extra size, into which a mine is laid off in one system of extracting coal.
(military, historical) A frame for carrying a mortar.
(dressmaking) A plain strip or band, as of velvet or plush, placed at intervals lengthwise on the skirt of a dress, for ornament.
A portion of a framed structure between adjacent posts or struts, as in a bridge truss.
(Britain, historical) A list of doctors who could provide limited free healthcare prior to the introduction of the NHS.
(medicine) A group of tests or assays, a battery.