/shar"euh bang', -bangk'/ ; Fr. /shann rddann bahonn"/ , n. , pl. char-à-bancs /-bangz', -bangks'/ ; Fr. /-bahonn"/ . Brit.
a large bus used on sightseeing tours, esp. one with open sides and no center aisle.
Also, charabanc .
[ 1810-20; back formation from F char-à-bancs lit., car with benches, the -s being taken as pl. ending of word as a whole ]