Monster trap tiny animal discovered (9)

I believe the answer is:

ginormous

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for ginormous that I've seen before include "Big (slang)" , "Huge" , "jumbo" , "Titanic" .)

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.