black pine noun 9forms 1 noun9 •A pine tree, genus Pinus, of darker foliage than most other species. •A European black pine (Pinus nigra); •A Japanese black pine (Pinus thunbergii); •A Jeffrey pine (Pinus jeffreyi), principally of California. •Other similar conifers. •Matai (Prumnopitys taxifolia), a New Zealand conifer; •Miro (Pectinopitys ferruginea), also a New Zealand conifer. •Wood of such trees •A certain red alga, of species Neorhodomela larix, found in intertidal areas of the North Pacific. formsblack pines