Pikestaff
/ˈpaɪkstæf/
Definition 1 of 2
Pro Tip 1/3Historical Weapon
Refer to 'pikestaff' in discussions about medieval or historical warfare. 
Museums often display pikestaffs in their medieval collections.
Pro Tip 2/3Not Modern
'Pikestaff' is not used for contemporary weapons, it's specific to historical contexts. 
Unlike modern guns, a pikestaff was a common infantry weapon in the past.
Pro Tip 3/3Archaic Usage
The term 'pikestaff' itself is old-fashioned and rarely used in everyday English. 
He spoke in archaic terms, referring to the weapon as a 'pikestaff'.