umbrella pineEnglishOxford New American Dictionaryumbrella pine /ˌəmˈbrelə pīn, ˌəmˈbrɛlə paɪn/ ▸ noun 1 another term for stone pine. 2 a tall Japanese evergreen conifer related to the redwoods, with leaves growing in umbrella-like whorls. Sciadopitys verticillata, family Taxodiaceae.