| No. | Item | Definition |
|---|---|---|
| 1. | adrift | floating without control |
| 2. | afloat | floating on the water |
| 3. | ahead | in front of the boat |
| 4. | alongside | next to another vessel |
| 5. | amidships | middle section of a vessel |
| 6. | anchor | device holding a boat steady |
| 7. | astern | behind the boat |
| 8. | awash | almost covered by water |
| 9. | backwater | row backward to slow or reverse |
| 10. | bailer | container used to remove water |
| 11. | beacon | signal light or transmitter |
| 12. | belay | secure a line fast |
| 13. | board | to get onto a boat |
| 14. | boat hook | pole with hook for handling |
| 15. | bow | front of a boat |
| 16. | bowline | loop knot that won’t slip |
| 17. | capsize | to overturn in water |
| 18. | cast off | release a mooring line |
| 19. | chart | map for marine navigation |
| 20. | cleat | fitting for securing a line |
| 21. | clove hitch | simple hitch around a post |
| 22. | compass | instrument showing direction |
| 23. | course | intended direction of travel |
| 24. | current | steady movement of water |
| 25. | dehydration | dangerous lack of body water |
| 26. | disembark | to leave a vessel |
| 27. | distress | grave danger needing help |
| 28. | drain | opening for water to escape |
| 29. | drift | movement carried by wind or current |
| 30. | ebb | outgoing tidal flow |
| 31. | exposure | harm from cold and weather |
| 32. | first aid | immediate basic medical help |
| 33. | flare | distress signal producing bright light |
| 34. | flood | incoming tidal flow |
| 35. | fog | thick cloud near the surface |
| 36. | footing | secure place for the feet |
| 37. | gale | very strong wind |
| 38. | grab line | rope to hold onto |
| 39. | gunwale | upper edge of a boat’s side |
| 40. | gust | sudden brief increase in wind |
| 41. | handhold | place to grip securely |
| 42. | heading | direction a boat points |
| 43. | headway | forward movement through water |
| 44. | heaving line | light line thrown to someone |
| 45. | horizon | apparent line of sea and sky |
| 46. | hull | main body of a boat |
| 47. | hypothermia | dangerously low body temperature |
| 48. | keel | central bottom support of a boat |
| 49. | knot | tied fastening in a rope |
| 50. | landfall | first sight of land |
| 51. | launch | to put a boat in water |
| 52. | leeward | away from the wind |
| 53. | leeway | sideways drift from wind |
| 54. | lifeboat | small rescue boat for emergencies |
| 55. | lifejacket | buoyant jacket worn for safety |
| 56. | lifeline | safety line for support |
| 57. | line | rope used on a boat |
| 58. | make fast | secure firmly with lines |
| 59. | man overboard | person fallen into the water |
| 60. | Mayday | urgent distress call |
| 61. | moor | secure a boat in place |
| 62. | oar | pole used to row |
| 63. | overboard | over the side into water |
| 64. | overload | put too much weight aboard |
| 65. | paddle | short blade used to propel |
| 66. | painter | rope tied to a boat’s bow |
| 67. | Pan-Pan | urgent call, not immediate danger |
| 68. | plug | stopper sealing a drain hole |
| 69. | port | left side facing forward |
| 70. | position | current location |
| 71. | radio | device for wireless communication |
| 72. | rations | stored food supplies |
| 73. | recover | bring back aboard safely |
| 74. | rescue | saving people from danger |
| 75. | rock | hard hazard protruding from water |
| 76. | rocket flare | flare launched high into air |
| 77. | rode | anchor line or chain |
| 78. | row | to propel with oars |
| 79. | sea anchor | device slowing drift in water |
| 80. | shackle | metal connector for gear |
| 81. | ship oars | bring oars inside the boat |
| 82. | smoke flare | signal producing visible smoke |
| 83. | splice | join rope strands securely |
| 84. | starboard | right side facing forward |
| 85. | stern | rear of a boat |
| 86. | strobe | flashing emergency light |
| 87. | survivor | person still alive after accident |
| 88. | swamp | to fill with water |
| 89. | thwart | cross seat in a boat |
| 90. | tide | regular rise and fall |
| 91. | torch | portable electric light |
| 92. | towline | line used for towing |
| 93. | trim | balance of a boat in water |
| 94. | VHF | marine short-range radio system |
| 95. | visibility | distance one can clearly see |
| 96. | watertight | not letting water enter |
| 97. | wave | moving ridge of water |
| 98. | whistle | small device making a loud sound |
| 99. | windward | toward the wind |
| 100. | wreckage | broken remains of a vessel |