Jumbo (noun)

1. An exceptionally large or heavy person, animal, or thing.
2. An elephant, especially one of the largest species, Loxodonta africana.
3. A large aircraft, especially a large passenger aircraft.
4. (Canada, US) A very large cup of coffee or other drink.

Origin:

Origin uncertain, but probably from swahili jumbe (“chief”).

Examples:

1. The elephant at the zoo was a jumbo.
2. The jumbo jet could carry over 500 passengers.
3. I ordered a jumbo-sized iced coffee from the drive-thru.
4. The restaurant chain is famous for their jumbo margaritas.
5. I need a jumbo-sized suitcase for my trip overseas.