propeller head

EnglishEdit

Alternative formsEdit

NounEdit

propeller head (plural propeller heads)

 
A beanie with a propeller inspired the slang term
  1. The hub of a propeller
  2. The central part of a propeller, into which the blades fit
  3. (informal) A person deeply absorbed in an academic field or technical interest, especially to the exclusion of social activities.

SynonymsEdit

TranslationsEdit