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.
These Are the Oldest Trees on the Planet. Trees are some of the longest-lived organisms on the planet. At least 50 trees have been around for more than a millennium, but there may be countless other ancient trees that havenât been discovered yet. Trees can live such a long time for several reasons.