from The Century Dictionary and Cyclopedia
- n. A kind of helmet formerly worn by arquebusiers, pikemen, etc.: the helmet in use in the present Prussian army is popularly called pickelhaube.
Sorry, no etymologies found.
"In the beginning there was just the music," says der Baron, "There was this piece of junk spiked helmet I bought at the Capitol flea market for two bucks - 'der pickelhaub eins,' I call it-and [Sgt. Pfeffer] just picked it up and put it on while he was playing guitar.