Answer:

leadpipe

Answer	Crossword Clue
LEADPIPE	"Clue" item
LEADPIPE	Colonel Mustard's weapon, perhaps
LEADPIPE	Clue weapon

LEADPIPE	"Clue" weapon
LEADPIPE	... cinch
LEADPIPE	Weapon in Clue
LEADPIPE	Kind of cinch
LEADPIPE	Old-fashioned water conduit
LEADPIPE	Weapon in the game of Clue
LEADPIPE	Absolute
LEADPIPE	"Clue" piece

LEADPIPE	Weapon in the original Clue