also: いくさおの
noun
battleaxe
Refers to a historical weapon, a large axe used in battle. Often encountered in fantasy, games, or historical descriptions.
中世の騎士は戦斧を振るって戦った。
Medieval knights fought wielding battleaxes.
そのゲームでは戦斧が最強の武器だ。
In that game, the battleaxe is the strongest weapon.
斧 is a general axe or hatchet, while 戦斧 specifically refers to a battleaxe used in warfare.
Compound of 戦 (war, battle) and 斧 (axe). The reading せんぷ is Sino-Japanese, while いくさおの is a native Japanese reading.