Wiktionary
a. Resembling a train (rail vehicle) or some aspect of one.
Usage examples of "trainlike".
The trainlike rumble came and went, lasting longer with each occurrence, and the silences between these assaults of sound grew shorter.
The faint but constant electronic hum, the trainlike rumble, and the less frequent but fearsome keening combined to mask any sounds that we made as we approached the killer's lair, but the same cacophony might screen the sounds that Johnny made as he crept up on us.
The exhaust from the big eight-liter engine sounded like a vulcan cannon in Pitt's ears, and he could see the trainlike taillight that waggled back and forth when the driver stepped on the brakes.
Through the open window sounded in their ears the trainlike grinding of the sea at the foot of the cliffs.