jumbo

Especially large or powerful.

a jumbo helping

At Bucyrus, Ohio, M. C. Coulter this season has demonstrated that he can grow a nice crop of the jumbo variety of peanuts.

An especially large or powerful person, animal, or thing.

I purchased a vine, and was rather impressed with the appearance of the grape; so I took the time to go down to see the vine, the Jumbo [a cultivar of muscadine, Vitis rotundifolia], and I saw a very large vine, trained on an arbor, perhaps covering a space of fifteen to twenty feet square, with the clusters hanging down through the lattice work;[…]

It is important to realise that slabbing may occur at any stage of the processing of a jumbo [large roll of paper from which smaller rolls are cut]. Typically slabbing becomes necessary when the reel being wound up has reached its required length and the jumbo has only a small contiguous length left on the spindle.

An elephant.

A platform-mounted machine for drilling rock.

In all three tunnels the full face was drilled at once. […] [T]he mucking machine was immediately converted into a drilling jumbo upon completion of the mucking operation. Both jumbos carried all the posts and bars necessary for the mounting in any desired position of four automatic DA-30 drifters.

The curtailment of drilling because of a disruption of the loading cycle is far less likely with the jumbo than with post and tripod drilling, because from three to five working places are available to the jumbo, whereas only one or, at the most, two faces can be worked by one crew with the old method.

A large airplane, such as those used for intercontinental travel.

Take a jumbo ’cross the water (Like to see America)

Synonym of bologna (“type of meat”).

Ellipsis of mumbo jumbo (“a deity or other supernatural being worshipped by certain West African peoples; an idol representing such a being”).

Returning to the villa, we were greeted by a party which frightened the boys. It was the Moco Jumbo and his suite. The Jumbo was on stilts, with a head, mounted on the actor's head, which was concealed: the music was from two baskets, like strawberry baskets, with little bells within, shook in time. The swordsman danced with an air of menace, the musician was comical, and Jumbo assumed the "antic terrible," and was very active on his stilts.

[A]nother Krooman came hurrying up, holding out a wooden image with a few bits of grass round its neck, and exclaiming, "Wurra! Wurra! Jumbo hang in fetische-house, sure he make much finish die." […] Jumbo was an uncouthly-carved figure of a man, about a foot in height, sitting cross-legged like a tailor, with ears preposterously large, the Kroo mark down the forehead and nose, and a piece of looking-glass fixed in the thorax and abdomen.