BONEHEAD

(BOHN-hed)

MEANING:
noun: A stupid person.
adjective: Stupid; thoughtless.

ETYMOLOGY:
A bonehead is someone thick-skulled, a blockhead. The word is a combination of bone, from Old English ban (bone) + head, from Old English heafod (top of the body). Earliest documented use: 1903.
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ONEHEAD - another name for the United Nations International Children's Emergency PHund (UNICEPH)

BONE-HEXAD - the six-sided lattice structure of Calcium Hydroxyapatite (the principal mineral component of bone)

BONEHEARD - the sound of one femur snapping

BOONEHEAD - where to find a coonskin cap