We found 9 dictionaries that define the word transportation system:

General (7 matching dictionaries)

1. transportation system: Vocabulary.com
2. transportation system: Dictionary.com
3. Transportation system: Wikipedia, the Free Encyclopedia
4. transportation system: Rhymezone
5. transportation system: FreeDictionary.org
6. transportation system: Mnemonic Dictionary
7. transportation system: TheFreeDictionary.com

Computing (1 matching dictionary)

8. transportation system: Encyclopedia

Tech (1 matching dictionary)

9. DOD Dictionary of Military Terms (No longer online)

(Note: See transportation_systems as well.)

Definitions from WordNet (transportation system) ▸ noun:  a facility consisting of the means and equipment necessary for the movement of passengers or goods Opposite: immobility, stationary system, static system, non-movement system Types: monorail, subway, light rail, tram, bus rapid transit, more... Phrases: air transportation system, intelligent transportation system, Space Transportation System, Justice Prisoner and Alien Transportation System, Transportation management system, more... ▸ Words similar to transportation system ▸ Usage examples for transportation system ▸ Idioms related to transportation system ▸ Wikipedia articles (New!) ▸ Words that often appear near transportation system ▸ Rhymes of transportation system ▸ Invented words related to transportation system