(dated) ajar

(archaic, medicine) Synonym of cupping glass

(slang, humorous, automotive) Any liquid (gasoline, diesel, mineral oil etc.) derived from fossil fuels (mainly petroleum), commonly used in vehicles as fuel or lubricant.

(slang) a mess jacket

The practice of suddenly or frequently changing jobs, especially for financial or career advancement reasons.

plural of jumping mouse

Any species of the taxonomic subfamily Zapodinae or family Zapodidae of rodents, variously endemic to North America or China.

(informal, derogatory) Merchandise bearing Christian slogans.

(law, abbreviation) Abbreviation of Justice of the Peace, usually used after the name of a person who holds this office.

The sport of riding a bicycle over jumps of dirt or soil and becoming briefly airborne.