Related Clues:

• Command on a submarine
• See 17-Across
• Plummet
• Jackknife, e.g.
• Saloon
• Go by the board?
• Kind of bar
• Go off the deep end
• Cannonball, e.g.
• Greasy spoon
• Submarine captain's order
• Skin or nose follower
• Honky-tonk
• Ring fix?
• Take the plunge