Greataxe

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 17 (2d12 + 4) slashing damage. The minotaur can choose to make the attack with advantage. If it does so attacks against it have advantage until the start of its next turn.

Gore

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) piercing damage. If the minotaur moves at least 10 feet straight towards the target before the attack the attack deals an extra 9 (2d8) damage and the target makes a DC 16 Strength saving throw being pushed up to 10 feet away and falling prone on a failure.