Roller-coaster tunnel Synonyms

Roller-coaster replaced

unstable tunnel

Synonyms for phrase

violent gallery

unstable cavern

RT abbreviation

RT is an abbreviation for Roller-coaster Tunnel

What does RT stand for?

RT stands for "Roller-coaster Tunnel"

Definitions for Tunnel

(noun) a passageway through or under something, usually underground (especially one for trains or cars)
(noun) a hole made by an animal , usually for shelter
(verb) move through by or as by digging