Chiefly of an article offered for sale: in a complete and finished state, ready for use; (of clothing… In predicative use.

That is made to be sold; that may be purchased (not being needed for home use); hence, ready-made (as opposed to home-made); of inferior quality…

Of a thing. Ready-made, not made to measure; manufactured in a finished state; spec. (of a tie, esp. a bow tie) with a fixed bow or knot.