araucaria n 1: any of several tall South American or Australian trees with large cones and edible seeds
Araucaria \Ar`au*ca"ri*a\, n. [Araucania, a territory south of Chili.] (Bot.) A genus of tall conifers of the pine family. The species are confined mostly to South America and Australia. The wood cells differ from those of other in having the dots in their lateral surfaces in two or three rows, and the dots of contiguous rows alternating. The seeds are edible. [1913 Webster]