| No. | Item | Definition |
|---|---|---|
| 1. | aerosol | pressurized spray container |
| 2. | airside | area beyond security control |
| 3. | alarm | warning signal from a device |
| 4. | alert | warning of possible danger |
| 5. | ammunition | bullets or shells for weapons |
| 6. | anomaly | something unusual needing attention |
| 7. | arms up | raise arms for scanning |
| 8. | assist | help someone during screening |
| 9. | bag check | inspection of carried bags |
| 10. | baggage | bags and personal luggage |
| 11. | battery | portable source of electrical power |
| 12. | bin | container for screening items |
| 13. | boarding pass | document allowing flight boarding |
| 14. | body scanner | machine that scans the body |
| 15. | bottle | small container for liquids |
| 16. | breach | break in security protection |
| 17. | carry-on | bag kept with the traveler |
| 18. | charger | device for powering electronics |
| 19. | checkpoint | place where screening happens |
| 20. | clearance | permission to pass through |
| 21. | confiscate | take away banned items |
| 22. | container | holding vessel for a substance |
| 23. | conveyor | moving belt for items |
| 24. | credential | document proving identity or access |
| 25. | declare | officially report an item |
| 26. | deny | refuse permission or access |
| 27. | detect | discover the presence of something |
| 28. | detector | device that senses metal or threats |
| 29. | divest | remove items before screening |
| 30. | electronics | devices using electrical circuits |
| 31. | entry | act of going in |
| 32. | escort | accompany for supervision or guidance |
| 33. | evacuate | move people out for safety |
| 34. | exit | act of going out |
| 35. | explosive | substance that can violently detonate |
| 36. | gate | controlled entry or boarding point |
| 37. | gel | thick semiliquid substance |
| 38. | hand search | manual inspection by touch |
| 39. | hold still | remain motionless briefly |
| 40. | ID | proof of identity |
| 41. | identify | establish who someone is |
| 42. | incendiary | designed to start fires |
| 43. | incident | event requiring security response |
| 44. | infant | very young child |
| 45. | inspect | look at carefully and officially |
| 46. | inspection | careful official examination |
| 47. | jacket | outer clothing often removed |
| 48. | jewelry | decorative personal metal items |
| 49. | keys | metal objects for locks |
| 50. | knife | bladed cutting weapon or tool |
| 51. | landside | public area before security |
| 52. | laptop | portable computer requiring screening |
| 53. | liquid | pourable substance in containers |
| 54. | lockdown | security closure restricting movement |
| 55. | manifest | official list of passengers |
| 56. | medical device | equipment used for health needs |
| 57. | medication | medicine carried by a traveler |
| 58. | metal detector | device that finds metal objects |
| 59. | minor | person under legal adulthood |
| 60. | mobility aid | device helping movement |
| 61. | monitor | watch and check continuously |
| 62. | officer | authorized security worker |
| 63. | passenger | person traveling on transport |
| 64. | passport | official travel identity document |
| 65. | pat-down | physical search over clothing |
| 66. | phone | mobile communication device |
| 67. | place | put an item somewhere |
| 68. | proceed | continue forward after instruction |
| 69. | prohibited | not allowed by rules |
| 70. | question | ask for information |
| 71. | queue | line of waiting people |
| 72. | random | chosen without a set pattern |
| 73. | refuse | decline to do something |
| 74. | remove | take off or take out |
| 75. | replica | copy resembling a real weapon |
| 76. | report | officially give information |
| 77. | residue | small amount left behind |
| 78. | resolution | settling an alarm or issue |
| 79. | response | action taken after an incident |
| 80. | scanner | device that detects hidden items |
| 81. | screening | checking people or items for threats |
| 82. | search | look through for prohibited items |
| 83. | secondary | additional screening after initial check |
| 84. | selectee | person chosen for extra screening |
| 85. | shoes | footwear sometimes removed |
| 86. | step through | walk through the scanner |
| 87. | sterile | secured airport-side area |
| 88. | tablet | flat portable touchscreen device |
| 89. | threat | possible source of danger |
| 90. | trace | tiny detectable amount |
| 91. | tray | bin for personal belongings |
| 92. | unattended | left without supervision |
| 93. | verification | confirmation that something is valid |
| 94. | verify | check that something is true |
| 95. | walk-through | detector you pass through |
| 96. | wallet | small holder for money |
| 97. | wand | handheld metal-detecting device |
| 98. | watch | wrist-worn timepiece |
| 99. | weapon | object used to cause harm |
| 100. | x-ray | imaging used to inspect bags |
