We found 4 dictionaries that define the word a train:

General (2 matching dictionaries)

1. A-Train, A-train: Wordnik
2. A-Train, A-Train (JR Kyushu), A-Train (Korail), A-Train (disambiguation), A Train (disambiguation), A Train, A-train (DCTA), A-train (Denton County), A-train (Texas), A-train (satellite constellation), A train: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)

3. A train, a-train: Urban Dictionary

Tech (1 matching dictionary)

4. AUTOMOTIVE TERMS (No longer online)

Phrases: run a train, It Takes a Lot to Laugh, It Takes a Train to Cry, It Takes a Lot to Laugh, It Takes a Train to Cry, Love on a Real Train, Snakes on a Train, more... ▸ Words similar to a train ▸ Usage examples for a train ▸ Idioms related to a train ▸ Wikipedia articles (New!) ▸ Words that often appear near a train ▸ Rhymes of a train ▸ Invented words related to a train