We found 16 dictionaries that define the word lumps:

General (10 matching dictionaries)

1. lumps: Merriam-Webster
2. lumps: Collins English Dictionary
3. lumps: Vocabulary.com
4. Lumps, lumps: Wordnik
5. lumps: Cambridge Advanced Learner's Dictionary
6. lumps: Wiktionary
7. lumps: Dictionary.com
8. lumps: Cambridge Essential American English Dictionary
9. Lumps: Wikipedia, the Free Encyclopedia
10. lumps: TheFreeDictionary.com

Business (1 matching dictionary)

11. lumps: Legal dictionary

Computing (1 matching dictionary)

12. lumps: Encyclopedia

Medicine (2 matching dictionaries)

13. lumps: Merriam-Webster Medical Dictionary
14. lumps: Medical dictionary

Miscellaneous (1 matching dictionary)

15. lumps: Idioms

Slang (1 matching dictionary)

16. lumps: Urban Dictionary

(Note: See lump as well.)

Definitions from Wiktionary (lumps) ▸ noun:  (informal) A beating or verbal abuse. Similar: glob, clump, clod, hunk, lubber, swelling, lout, stumblebum, klutz, lummox, more... Opposite: smooth, even, level, uniform Types: cysts, nodules, tumors, masses, more... Phrases: sugar lumps, skin lumps, take ones lumps, take one's lumps, get ones lumps, more... Adjectives: small, large, hard, few, little, great, big, irregular, several, solid, white ▸ Words similar to lumps ▸ Usage examples for lumps ▸ Idioms related to lumps ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lumps ▸ Words that often appear near lumps ▸ Rhymes of lumps ▸ Invented words related to lumps