Halberd
/ˈhælbərd/
Definition 1 of 1
Pro Tip 1/3Historical Usage
The term 'halberd' primarily appears in historical or fantasy contexts, often referring to medieval weaponry. 
The museum displayed a halberd from the Renaissance period.
Pro Tip 2/3Visual Imagery
Understanding its appearance helps: imagine a long pole with an axe-like blade topped by a spike. 
The guard at the castle gate held a menacing halberd.
Pro Tip 3/3Not Modern
Avoid using 'halberd' to describe contemporary weapons; it's specific to historical arms. 
He joked about bringing a halberd to a gunfight.