bonedome

English

Etymology

From bone +‎ dome.

Noun

bonedome (plural bonedomes)

1. (aviation, slang) An aviator's protective helmet.
   • 2006, Lloyd Knight, Rainbow, No End:

     Unlike their USAF brethren with their 'bonedomes', the Australian pilots were only issued WW II type leather helmets. They afforded scant protection.

   • 2008, Jed Mercurio, Ascent, page 18:

     Still in their bonedomes, the pilots perched on top of the ladders, answering the ground crews' excited queries.