BOLTHEAD
Meaning of BOLTHEAD in English
/bohlt"hed'/ , n.
1. the head of a bolt.
2. Chem. (formerly) a matrass.
[ 1425-75; late ME; see BOLT 1 , HEAD ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012