| arauca | (n) a river that rises in northern Colombia and flows generally eastward to the Orinoco in central Venezuela |
| araucaria | (n) any of several tall South American or Australian trees with large cones and edible seeds |
| araucariaceae | (n) tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae, Syn. araucaria family, family Araucariaceae |
| Araucaria | ‖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 ] |
| Araucariaceae | n. |
| Araucarian | a. Relating to, or of the nature of, the Araucaria. The earliest conifers in geological history were mostly Araucarian. Dana. [ 1913 Webster ] |