This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The quantity contained in a train.

n. A large quantity.

"Colter Stevens (Jake Gyllenhaal) has to keep a bomb from killing a trainful of Chicago commuters, identify the bomber, foil his plan for detonating a dirty bomb in the heart of the city, connect with a pretty passenger (Michelle Monaghan), and do it all within the same eight minutes that a secret military time travel program called Source Code permits him."

trainload