Used other than figuratively or idiomatically: see in, one's, head. / (idiomatic, of information, a plan, etc.) Within one's intellect, memory, or mind.

(nautical) The top of a sailing ship’s mainmast.

plural of head-scratching.

Alternative form of head-scratching.

plural of head scratching (alternative form of head-scratchings).

The main chef in a restaurant, in charge of the kitchen and of the team of other chefs.

(slang) A person who takes steroids recreationally.

plural of roid-head

plural of veg-head

(slang) A vegetarian or vegan.