Answer: weapon

AnswerCrossword Clue
WEAPON

Sarcasm, to a critic

WEAPON

Combatant's device

WEAPON

Knife, perhaps

WEAPON
Dueler's choice
WEAPON
Any of six Clue cards
WEAPONMace, then and now
WEAPONArm
WEAPONArsenal item
WEAPONGun or grenade
WEAPONExhibit A, often
WEAPONShuriken or nunchaku
WEAPONStick or stone, maybe
WEAPONPart of a Clue accusation
WEAPONImplement of war.
WEAPONArm.
WEAPONGun or bayonet
WEAPONHalberd, e.g.
WEAPONSword or spear
WEAPONClub, say
WEAPONCategory in the game Clue
WEAPONKnife or club
WEAPONFirearm, e.g.
WEAPONOne-third of a Clue accusation
WEAPONThe "what" of a Clue accusation, whose identity is hinted at by the three circled answers in this quadrant
WEAPONThe "what" of a Clue accusation, whose identity is hinted at by the three shaded answers in this quadrant
WEAPONSword or rifle
WEAPONPat Benatar "Sex as a ..."
WEAPONIt can be concealed
WEAPONMace, past or present
WEAPONMortar, e.g.
WEAPONClue category
WEAPONDuel option
WEAPONPart of an accusation in Clue