Bolthead is a 8 letter English word. It's valid Scrabble word worth 14 points. It's valid Words with friends word worth 15 points.
You can make 367 anagrams from letters in bolthead (abdehlot).
late Middle English word dating back to 1425-75; See origin at bolt1, head
If I'd 'a' called it a bolthead it would 'a' done just as well.
Let a condensed beam be sent through a large flask or bolthead containing common air.