Crossword Genius

Jurassic period predator (4)

Ross

I believe the answer is:

trex

(Another definition for trex that I've seen is " Long, difficult journey".)

I've seen this clue in the Newsday.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.