jukskeiA traditional game similar to quoits played by throwing the skei at the yoke.
jukuA private Japanese school offering lessons outside of regular school time.
jukujikunA Japanese word whose kanji spelling conveys the meaning based on the individual characters, but whose reading is not directly related to the spelling.
JumadaEither of two months in the Islamic calendar: Jumada I (the fifth month) and Jumada II (the sixth).
JumaguicjicA barangay of Roxas, Capiz, Philippines.
JumanoA member of a tribe or tribes inhabiting a large area of western Texas, New Mexico, and northern Mexico, first encountered by Spanish explorers in 1581.
jumarA device, used to clip on a rope, that tightens when weight is applied, thus allowing the rope to be climbed.
jumbogramAn Internet-layer packet exceeding the standard maximum transmission unit of the underlying network technology.
jumboismThe tendency to admire or be attracted toward things because they are large or dominant, regardless of their value.
jumboizationThe shipbuilding technique of enlarging a ship by inserting middle sections to it, extending its length.
jumboizeTo lengthen (a ship) by replacing an existing section with a longer section or inserting an additional section.
JumbomaniaPublic enthusiasm for Jumbo (c.1860–1885), the first African elephant to be brought to modern Europe alive.
jumbophageA very large phage, especially a bacteriophage.
jumbotronA very large video screen, typically used in a stadium or concert venue to show close-up shots.
jumbrellaA broad, canopy-like umbrella, generally used to cover the outdoor patio of a restaurant or bar, either on its own (if it is of sufficient size) or in combination with others.
jumperlikeResembling or characteristic of a jumper.
jumperwalkA type of city-owned pedestrian step built directly into sidewalks rather than on separate, raised structural piers.
jumpformA kind of formwork; a temporary mold, made from planks, into which concrete is poured, in order to create vertical concrete structures that rise with the building process.
jumpgateA fictional device able to create an Einstein-Rosen bridge portal (or wormhole), allowing fast travel between two points in space.
JumpsoleA plyometric platform that straps onto athletic shoes, designed to increase vertical jump and speed by forcing users to train on the balls of their feet, building explosive fast-twitch muscle fibers in the calves and lower legs for powerful leaps.