| 1. D.A. |  | 76. dangerous target |
| 2. d.a.a. | | 77. dangerous wreck |
| 3. D/A | | 78. dangers (pl) of the seas |
| 4. dab | | 79. Danish seine |
| 5. dacron | | 80. Danish two-boat midwater trawl |
| 6. daddler | | 81. danleno |
| 7. daffins | | 82. danleno board |
| 8. dagger | | 83. danleno bobbin |
| 9. dagger board | | 84. Danube salmon |
| 10. dagger knee | | 85. dark clectric ray |
| 11. dagger plank | | 86. dash |
| 12. dagger shore | | 87. dash board |
| 13. dahan | | 88. dash pot |
| 14. daily (service) tank | | 89. dasher block |
| 15. daily charter | | 90. data |
| 16. daily discharging rate | | 91. data bank |
| 17. daily inspection | | 92. data base |
| 18. daily loading rate | | 93. data buoy |
| 19. daily operating costs | | 94. data freight receipt |
| 20. daily rate of chronometer | | 95. data freight system |
| 21. daily routine | | 96. data input |
| 22. daily shipping report | | 97. data logger |
| 23. daily wages | | 98. data logging |
| 24. dam | | 99. data plate |
| 25. damage | | 100. data processing |
| 26. damage by contamination | | 101. data rate |
| 27. damage by tainting | | 102. data record |
| 28. damage certificate | | 103. data sheet |
| 29. damage control | | 104. data ship |
| 30. damage control bill | | 105. data storage |
| 31. damage control drill | | 106. date |
| 32. damage control locker | | 107. Date Draft |
| 33. damage control party | | 108. date line |
| 34. damage repairs | | 109. datum |
| 35. damage report | | 110. datum course |
| 36. damage stability | | 111. datum for heights |
| 37. damage survey | | 112. datum line |
| 38. damage to ship | | 113. datum relation |
| 39. damage zone | | 114. datum time |
| 40. damageable | | 115. Daughter boat |
| 41. damaged stability | | 116. Davidson Current |
| 42. damages | | 117. davit |
| 43. damages for detention | | 118. davit bollard |
| 44. damp | | 119. davit cleat |
| 45. damp a gyro | | 120. davit collar |
| 46. damped crankshaft | | 121. davit craft |
| 47. damped motion | | 122. davit guy |
| 48. damped vibration | | 123. davit pedestal |
| 49. damper | | 124. davit socket |
| 50. damping | | 125. davit span |
| 51. damping coefficient | | 126. davit spreader |
| 52. damping coupling coefficient | | 127. davit stand |
| 53. damping force | | 128. davit-head |
| 54. dan (buoy) | | 129. Davy Jones |
| 55. dan boat | | 130. Davy Jones locker |
| 56. Dan Leno | | 131. dawn |
| 57. dan line | | 132. day |
| 58. dan tow | | 133. day cruiser |
| 59. dandy | | 134. day gained |
| 60. dandy note | | 135. day lost |
| 61. dandy rig | | 136. day mark |
| 62. dandy winch | | 137. day sailor |
| 63. Danforth anchor | | 138. day shape |
| 64. danger angle | | 139. day signal |
| 65. danger area | | 140. day wage |
| 66. danger bearing | | 141. day's run |
| 67. danger buoy | | 142. day's work |
| 68. danger line | | 143. day-beacon range |
| 69. danger zone | | 144. day-man |
| 70. dangerous area | | 145. day-off |
| 71. dangerous cargo | | 146. daybeacon |
| 72. dangerous goods | | 147. daylight |
| 73. dangerous money | | 148. daylight saving time |
| 74. dangerous quadrant | | 149. daylight signalling lamp |
| 75. dangerous semicircle | | 150. days of grace |
