: a ship designed and equipped to allow vehicles (such as automobiles or tanks) to be driven on or off

Word History


roll on, roll off

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of Ro-Ro was in 1969

Dictionary Entries Near Ro-Ro

Cite this Entry

“Ro-Ro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ro-Ro. Accessed 1 Dec. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!