Answer:

sidecar

Answer	Crossword Clue
SIDECAR	Biker's "bathtub"
SIDECAR	Citrus juice cocktail
SIDECAR	Citrus-flavored cocktail

SIDECAR	Harley attachment
SIDECAR	Brandy + orange liqueur + lemon juice
SIDECAR	Brandy-Cointreau concoction
SIDECAR	Harley accessory
SIDECAR	Brandy cocktail
SIDECAR	Orange liqueur cocktail
SIDECAR	Place for a passenger
SIDECAR	Motorcycle adjunct

SIDECAR	Motorcycle's add-on seat
SIDECAR	Brandy drink
SIDECAR	Motorcycle add-on
SIDECAR	Brandy cocktail.
SIDECAR	Police motorcycle adjunct.
SIDECAR	Attachment to a motorcycle.
SIDECAR	Motorcycle attachment.
SIDECAR	"Bathtub."

SIDECAR	Mrs. Peepers's mode of travel.
SIDECAR	Place for a passenger.
SIDECAR	Motorcycle accessory.
SIDECAR	Motorcycle accommodation.
SIDECAR	One place for a passenger.
SIDECAR	Rumble seat's relative.
SIDECAR	Cocktail.
SIDECAR	Cycle appurtenance.

SIDECAR	Kind of cocktail.
SIDECAR	Cocktail
SIDECAR	Mixed drink
SIDECAR	A cocktail
SIDECAR	One-person cab
SIDECAR	Motorcycle attachment
SIDECAR	Biker's add-on
SIDECAR	Mixed drink with cognac, triple sec, and citrus juice

SIDECAR	One place to find a third wheel?
SIDECAR	Cocktail with lemon juice and brandy
SIDECAR	Site of a motorcycle's third wheel
SIDECAR	Motorcycle accompaniment
SIDECAR	Bike hookup