Real Dictionary

araucaria in American English
any of a genus (Araucaria) of the araucaria family of cone-bearing trees with flat, scalelike needles, native to the Southern Hemisphere and grown as ornamentals in other areas; esp., the monkey puzzle tree and the Norfolk Island pine
designating a family (Araucariaceae) of unusual conifers found esp. in Chile, Australia, and S U.S.
noun: any of several coniferous trees of the genus Araucaria, of warm regions

araucaria in British English
noun: any tree of the coniferous genus Araucaria of South America, Australia, and Polynesia, such as the monkey puzzle and bunya-bunya