WordReference Random House Learner's Dictionary of American English © 2017
bulk1 /bʌlk/USA pronunciation   n. 
  1. great weight, size, or mass:[uncountable]the great bulk of the aircraft carrier.
  2. the body of a living creature, esp. when large or heavy:[countable;  usually singular]swung his considerable bulk off the chair.
  3. [countable;  singular: the + ~ + of] the greater part or amount: The bulk of the debt was paid.
  4. Nutrition fiber (def. 5).

adj. [before a noun]
  1. being or involving material in bulk:The newsletters were sent by bulk mail.

v. [no object]
  1. to increase in size;
    expand;
    swell.
  2. to be of great weight, size, or importance: The problem bulks large in his mind.
Idioms
  1. Idiomsin bulk, in large quantities or amounts:rice sold in bulk.


WordReference Random House Unabridged Dictionary of American English © 2017
bulk1  (bulk),USA pronunciation n. 
  1. magnitude in three dimensions:a ship of great bulk.
  2. the greater part; main mass or body:The bulk of the debt was paid.
  3. Transportgoods or cargo not in packages or boxes, usually transported in large volume, as grain, coal, or petroleum.
  4. Nutritionfiber (def. 9).
  5. (of paper, cardboard, yarn, etc.) thickness, esp. in relation to weight.
  6. the body of a living creature.
  7. See  bulk mail. 
  8. Idiomsin bulk: 
    • unpackaged:Fresh orange juice is shipped from Florida in bulk.
    • in large quantities:Those who buy in bulk receive a discount.

adj. 
  1. being or traded in bulk:bulk grain.

v.i. 
  1. to increase in size;
    expand;
    swell.
  2. to be of or give the appearance of great weight, size, or importance:The problem bulks large in his mind.
  3. (of paper, cardboard, yarn, etc.) to be of or to acquire a specific thickness, esp. in relation to weight.
  4. to gather, form, or mix into a cohesive or uniform mass.

v.t. 
  1. to cause to swell, grow, or increase in weight or thickness.
  2. to gather, bring together, or mix.
  3. bulk up, to increase the bulk of, esp. by increasing the thickness of:Adding four chapters will bulk up the book.
  • Old Norse bulki cargo, ship's hold
  • late Middle English bolke heap, cargo, hold 1400–50
    • 1.See corresponding entry in Unabridged See  size 1.
    Bulk and bulge most often are pronounced with the vowel (u)USA pronunciation of buck. In South Midland and Southern U.S. the (ŏŏ)USA pronunciation of book and bull commonly occurs among all speakers. Standard British speech has only (u).USA pronunciation Both types exist in British regional speech, and both were brought to the colonies, where each came to predominate in a different area and was carried west by migration.

bulk2  (bulk),USA pronunciation n. [Archit.]
  1. Architecturea structure, as a stall, projecting from the front of a building.
  • 1350–1400; Middle English: stall; apparently special use of bulk1


Collins Concise English Dictionary © HarperCollins Publishers::

bulk /bʌlk/ n
  1. volume, size, or magnitude, esp when great
  2. the main part: the bulk of the work is repetitious
  3. a large body, esp of a person
  4. the part of food which passes unabsorbed through the digestive system
  5. in bulkin large quantities
  6. (of a cargo, etc) unpackaged
vb
  1. to cohere or cause to cohere in a mass
  2. bulk largeto be or seem important or prominent
Etymology: 15th Century: from Old Norse bulki cargo
USAGE
The use of a plural noun after bulk was formerly considered incorrect, but is now acceptable




'bulk' also found in these entries:
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