A type of bicycle pedal made of metal with no rubber.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "rat trap" in a sentence
"“Then you put me into your rat trap and every now and then your men come and take a peek at me through the glass … I totted up at least twelve who gave themselves this little treat …”"
"I've been cooped up two days, and I've spent the daylight hours -- as much daylight as I could get in that rat trap -- in putting the thing into words."