jumbo

1. An especially large or powerful person, animal, or thing. (countable, uncountable)
2. An elephant. (countable, uncountable)
3. A platform-mounted machine for drilling rock. (countable, uncountable)
4. Synonym of bologna (“type of meat”). (countable, uncountable)
5. A wide roll of machine-trimmed paper, ready to be cut into smaller widths. (countable, uncountable)

复数 jumbos