-ˌka(a)rēˈäksəˌlän, -_lən noun
Etymology: New Latin, from Araucaria + -o- + -xylon
1. capitalized : a genus of widely distributed fossil conifers of late Paleozoic to late Mesozoic time having a wood structure resembling that of modern araucarias
2. : any of several fossil woods having a structure like that of modern araucarias