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We found 18 dictionaries with English definitions that include the word rack up: Click on the first link on a line below to go directly to a page where "rack up" is defined. General (13 matching dictionaries) rack up: Collins English Dictionary [home, info] rack up: Vocabulary.com [home, info] rack up: Merriam-Webster's Online Dictionary, 11th Edition [home, info] rack up: Dictionary.com [home, info] rack up: UltraLingua English Dictionary [home, info] rack up: Rhymezone [home, info] rack up: Free Dictionary [home, info] rack up: Mnemonic Dictionary [home, info] rack-up, rack up: WordNet 1.7 Vocabulary Helper [home, info] rack up: LookWAYup Translating Dictionary/Thesaurus [home, info] rack up: Dictionary/thesaurus [home, info] Business (1 matching dictionary) rack up: Legal dictionary [home, info] Computing (1 matching dictionary) rack up: Encyclopedia [home, info] Medicine (1 matching dictionary) rack up: Medical dictionary [home, info] Miscellaneous (1 matching dictionary) rack up: Idioms [home, info] Slang (1 matching dictionary) rack up: Urban Dictionary [home, info]

Quick definitions from WordNet (rack up) ▸ verb:  supply a rack with feed for (horses or other animals) ▸ verb:  place in a rack ▸ verb:  gain points in a game ▸ verb:  defeat thoroughly