Aviation slang for the protective helmet worn by fighter pilots and other aircrew — the hard shell that sits over your skull at speed, altitude, and extreme G-forces. The name does exactly what good slang should: it's vivid, tactile, and immediately understood. Bonedomes are serious pieces of kit loaded with comms systems, visors, and oxygen connections, but pilots tend to talk about them the same casual way a motorcyclist talks about a lid.
He strapped on his bonedome, ran through the checklist one more time, and taxied onto the runway.
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(aviation, slang) An aviator's protective helmet.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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