Definition of Marine Terms General Boating Boat Stabilizer Boat Waterline Stains Boater's Knife Celestial Navigation Condensation Deck Plate Deck Plate Key Dehumidifier Dock Line Dock Line Chafe Dock Line Snubber Fiberglass Cleaner Hull Scum Humidity Nautical Charting Navigation at Sea Sextant Shackle Shackle Key Fishing Downrigger Fishing Lure Depth Planer Fisherman's Knife Rule of Fives Trolling Depth Trolling for Fish Trolling Motor Trolling Plate Trolling Speed Powerboating Boat Hydrofoil Boat Motor Hoist Boat Planing Bow Rise Cavitation Plate Outboard Motor Outboard Motor Harness Sailing Direction of Apparent Wind Masthead Fly Mooring Mooring Snubber Rigging Rigging Knife Rope Chafe Sailboat Tacking Sailboat Tacking Indicator Sailboat Wind Direction Indicator Sailing Wind Vane Sailor's Knife Yachtsman's Knife