The operation of attaching a GUARD (2) for the
purpose of providing a hinge for a map,
illustration, etc., to strengthen the fold between
two conjugate leaves, or to assist in relieving
the strain of the endpaper caused by the opening
of the book. See: GUARDED ENDPAPER ;GUARDED IN ;GUARDING IN PAIRS ;PLATE ATTACHMENT .
(335 , 343 )