I. -viŋ noun
( -s )
Etymology: from gerund of shelve (I)
1. : the state or degree of sloping
2. : a sloping surface or place
II. noun
( -s )
Etymology: shelve (II) + -ing
1. : material for shelves
2. : a number or quantity of shelves ; especially : the shelves inside a closet or fitted to a wall