What is "to fit up"

Fit \Fit\, v. t. [imp. & p. p. Fitted; p. pr. & vb. n. Fitting.]

1. To make fit or suitable; to adapt to the purpose intended; to qualify; to put into a condition of readiness or preparation.

   The time is fitted for the duty.
   --Burke.

   The very situation for which he was peculiarly fitted by nature.
   --Macaulay.

2. To bring to a required form and size; to shape aright; to adapt to a model; to adjust; -- said especially of the work of a carpenter, machinist, tailor, etc.

   The carpenter . . . marketh it out with a line; he fitteth it with planes.
   --Is. xliv. 1

3. 3. To supply with something that is suitable or fit, or that is shaped and adjusted to the use required.

   No milliner can so fit his customers with gloves.
   --Shak.

4. To be suitable to; to answer the requirements of; to be correctly shaped and adjusted to; as, if the coat fits you, put it on.

   That's a bountiful answer that fits all questions.
   --Shak.

   That time best fits the work.
   --Shak.

   To fit out, to supply with necessaries or means; to furnish; to equip; as, to fit out a privateer.

   To fit up, to furnish with things suitable; to make proper for the reception or use of any person; to prepare; as, to fit up a room for a guest.