noun.
A weapon of the 1400s and 1500s having an axlike blade and a steel spike mounted on the end of a long shaft.
The Century Dictionary and Cyclopedia
noun.
A broad blade with sharp edges ending in a sharp point, mounted on a handle from 5 to 7 feet long: a weapon common in the middle ages and later.
noun.
A projection on the fore part of a horseshoe, designed to relieve the foot in cases of lameness.
the GNU version of the Collaborative International Dictionary of English
noun.
An ancient long-handled weapon, of which the head had a point and several long, sharp edges, curved or straight, and sometimes additional points. The heads were sometimes of very elaborate form.