Princeton's WordNet(2.25 / 8 votes)Rate this definition: 1  contract(noun) a binding agreement between two or more persons that is enforceable by law. 2  contract, declaration(noun) (contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make.
View full size image. Until 2013, the oldest individual tree in the world was Methuselah, a 4,845-year-old Great Basin bristlecone pine (Pinus longaeva) in the White Mountains of California.nd on the other side of the world, in an Andes Mountains grove in Chile, we have a 3,642-year-old Patagonian cypress (Fitzroya cupressoides). The ancient specimen, which is sometimes called the Alerce (alerce is a common Spanish name for F. cupressoides), is the third-oldest tree to have its exact age calculated.
Oldest Living Tree Found in Sweden. The world's oldest known living tree, a conifer that first took root at the end of the last Ice Age, has been discovered in Sweden, researchers say.