Noun | 1. ground cedar - a variety of club moss Lycopodium complanatum, staghorn mossChristmas green, ground pine - any of several club mosses having long creeping stems and erect branches | | 2.ground cedar - a procumbent variety of the common juniperdwarf juniper, Juniperus communis depressajuniper - coniferous shrub or small tree with berrylike cones |