We found 40 dictionaries with English definitions that include the word headache:
Click on the first link on a line below to go directly to a page where "headache" is defined.
 General (22 matching dictionaries)
- headache: American Heritage Dictionary of the English Language [home, info]
- headache: Merriam-Webster's Online Dictionary, 11th Edition [home, info]
- headache: Cambridge International Dictionary of English [home, info]
- Headache: Wiktionary [home, info]
- headache: Webster's New World College Dictionary, 4th Ed. [home, info]
- headache: The Wordsmyth English Dictionary-Thesaurus [home, info]
- headache: Infoplease Dictionary [home, info]
- headache: Dictionary.com [home, info]
- headache: Online Etymology Dictionary [home, info]
- headache: UltraLingua English Dictionary [home, info]
- headache: Cambridge Dictionary of American English [home, info]
- Headache (EP), Headache: Wikipedia, the Free Encyclopedia [home, info]
- Headache: Online Plain Text English Dictionary [home, info]
- headache: Webster's Revised Unabridged, 1913 Edition [home, info]
- headache: Rhymezone [home, info]
- headache: AllWords.com Multi-Lingual Dictionary [home, info]
- headache: Free Dictionary [home, info]
- headache: Mnemonic Dictionary [home, info]
- headache: WordNet 1.7 Vocabulary Helper [home, info]
- headache: LookWAYup Translating Dictionary/Thesaurus [home, info]
- headache: Dictionary/thesaurus [home, info]
- headache: Wikimedia Commons US English Pronunciations [home, info]
Art (1 matching dictionary)
- Headache: Natural Magick [home, info]
Computing (1 matching dictionary)
- headache: Encyclopedia [home, info]
Medicine (14 matching dictionaries)
- headache: Dorland's Illustrated Medical Dictionary [home, info]
- Headache: MedTerms.com Medical Dictionary [home, info]
- headache: Technical and Popular Medical Terms [home, info]
- Headache: Medical Dictionary [home, info]
- Headache: MedFriendly Glossary [home, info]
- headache: online medical dictionary [home, info]
- Headache: Specific Diseases/Disorders [home, info]
- Headache: MEDLINE plus Illustrated Medical Encyclopedia [home, info]
- Headache: Disorder Index [home, info]
- headache: Medical dictionary [home, info]
- Headache: Rudy's List of Archaic Medical Terms [home, info]
- Headache: University of Maryland Glossary of Medical Terms [home, info]
- Headache: Drug Medical Dictionary [home, info]
- headache: Hyperdictionary [home, info]
Miscellaneous (1 matching dictionary)
- Headache: Brilliant Dream Dictionary [home, info]
Science (1 matching dictionary)
- Headache: Biological Sciences Dictionary [home, info]
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Quick definitions (headache)
▸ noun: pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs
▸ noun: something or someone that causes anxiety; a source of unhappiness
▸ U.S. pronunciation (credits)
▸ Word origin
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