bulk
noun
\ ˈbəlk also ˈbu̇lk
\
\
Definition of bulk
(Entry 1 of 3)
1a
: magnitude
impressed by the sheer bulk of her accomplishment
b
biology
: material that forms a mass in the intestine
especially
: fiber sense 1d
need more bulk in their diet
b
: an organized structure especially when viewed primarily as a mass of material
the giant bulk of Mt. Katahdin— Jackson Rivers
c
: a ponderous shapeless mass
3
: the main or greater part
spent the bulk of his time in the office the bulk of the population