oddment

[od-muh nt] /ˈɒd mənt/
noun
1.
an odd article, bit, remnant, or the like.
2.
an article belonging to a broken or incomplete set.
3.
Printing. any individual portion of a book excluding the text, as the frontispiece or index.
Origin
1790-1800; odd + -ment
British Dictionary definitions for oddment

oddment

/ˈɒdmənt/
noun
1.
(often pl) an odd piece or thing; leftover
2.
(pl) (NZ) pieces of wool, such as belly wool or neck wool, removed from a fleece and sold separately