Megrim is a 6 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 14 points.
You can make 63 anagrams from letters in megrim (egimmr).
1350-1400; Middle English migrame a type of headache Middle French migraine (by misreading, in taken as m); see migraine
I keep a single root for old-time sake, which it gives me a megrim to look at.
As you refuse to hearken to the voice of common sense, and afflict yourself with a megrim, I leave you to your fate.
I'll be all right to-morrow, and I'll enjoy to-morrow all the more for to-day's megrim.