We found 7 dictionaries that define the word sick headaches:

General (5 matching dictionaries)

1. sick headaches: Merriam-Webster
2. sick headaches: Collins English Dictionary
3. sick headaches: Vocabulary.com
4. sick headaches: Cambridge Advanced Learner's Dictionary
5. sick headaches: TheFreeDictionary.com

Medicine (2 matching dictionaries)

6. sick headaches: Merriam-Webster Medical Dictionary
7. sick headaches: Medical dictionary

(Note: See sick_headache as well.)

Definitions from Wiktionary (sick headache) ▸ noun:  (archaic) A migraine. ▸ Also see sick_headache ▸ Words similar to sick headaches ▸ Usage examples for sick headaches ▸ Idioms related to sick headaches ▸ Wikipedia articles (New!) ▸ Words that often appear near sick headaches ▸ Rhymes of sick headaches ▸ Invented words related to sick headaches