Related Clues:

• Iron output
• Villain's reception
• If you're tired, you've lost it
• Snake's sibilant sound
• Sauna feature
• Geyser output
• Angry cat sound
• Propellant for Casey Jones
• Disapproving sound
• Water vapor
• Cat's ''Back off!''
• Sign of hostility
• Robert Fulton power source
• Become furious
• Calliope power