Related Clues:

• Lays a 41-Across, so to speak
• Port's making frameworks for vessels
• Lays an egg on stage
• Weapons of war
• Box office duds
• Hard shells
• Woefully underperforms
• Doesn't play very well
• Box office busts
• Main bodies of ships
• Gets an F on a test, say
• Balls with lit fuses, in comics
• Ships' frames