Sentence:  It was in 1976, during our first family holiday to Disneyland, California, that my family learned the difference between a headache and a <WSD>migraine</WSD>. 
Meaning of the word marked with <WSD> tags:  A severe, disabling headache, usually affecting only one side of the head, and often accompanied by nausea, vomiting, photophobia and visual disturbances.