jumbo jet(n = noun.artifact) jumbojet - a very large jet plane;
is a kind of jet, jet-propelled plane, jet plane
A large commercial jet airplane, usually having a passenger capacity of over 300 in normal use; also called
bubble jet printer, gas jet, jet, jet black, jet bridge, jet d'eau, jet engine, jet lag, jet plane, jet propulsion, jet set, jet stream, jumbo, mumbo jumbo