[buhlk] 
| 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. | goods or cargo not in packages or boxes, usually transported in large volume, as grain, coal, or petroleum. |
| 4. | fiber (def. 9). |
| 5. | (of paper, cardboard, yarn, etc.) thickness, esp. in relation to weight. |
| 6. | the body of a living creature. |
| 7. | bulk mail. |
| 8. | being or traded in bulk: bulk grain. |
| 9. | to increase in size; expand; swell. |
| 10. | to be of or give the appearance of great weight, size, or importance: The problem bulks large in his mind. |
| 11. | (of paper, cardboard, yarn, etc.) to be of or to acquire a specific thickness, esp. in relation to weight. |
| 12. | to gather, form, or mix into a cohesive or uniform mass. |
| 13. | to cause to swell, grow, or increase in weight or thickness. |
| 14. | to gather, bring together, or mix. |
| 15. | bulk up, to increase the bulk of, esp. by increasing the thickness of: Adding four chapters will bulk up the book. |
| 16. | in bulk,
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[uh] of buck. In South Midland and Southern U.S. the [oo] of book and bull commonly occurs among all speakers. Standard British speech has only [uh]. 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.