Search Result for "roll-on roll-off":
Wordnet 3.0

NOUN (1)

1. a method of transport (as a ferry or train or plane) that vehicles roll onto at the beginning and roll off of at the destination; 



WordNet (r) 3.0 (2006):

roll-on roll-off
    n 1: a method of transport (as a ferry or train or plane) that
         vehicles roll onto at the beginning and roll off of at the
         destination