The definition of bulk is a large portion, great size or big volume.
(noun)An example of bulk is the overall size of a large football player.
See bulk in Webster's New World College Dictionary
noun
Origin: ME, heap, cargo < ON bulki, a heap, ship's cargo; prob. < IE base *bhel-: see ball
intransitive verb
transitive verb
adjective
noun
Origin: ME balk < ON balkr, partition, wall; akin to balk
See bulk in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , perhaps partly alteration of bouk, belly, trunk of the body (from Old English būc)
Origin: and partly from Old Norse bulki, cargo, heap; see bhel-2 in Indo-European roots
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