Related Clues:

• What "this seat" might be
• Abducted
• Like some seats
• Already taken
• ''Ocupado''
• Claimed
• Message on a restroom door, perhaps
• Opposite of vacancy, on some signs
• ''Is this seat ___?''
• Locked lavatory stall sign
• Already spoken for
• Locked, as a lavatory
• Occupied (5)
• Already occupied
• Not vacant, as a restroom