Noun | 1. | genus Dacrydium - Australasian evergreen trees or shrubs gymnosperm genus - a genus of gymnosperms family Podocarpaceae, Podocarpaceae, podocarpus family - gymnosperms with simple persistent needlelike or scalelike leaves Dacrydium colensoi, tarwood, tar-wood - New Zealand silver pine of conical habit with long slender flexuous branches; adapted to cold wet summers and high altitudes |