| Noun | 1. | genus Ruscus - a genus of European evergreen shrubs; sometimes placed in family Asparagaceae liliid monocot genus - genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils family Liliaceae, Liliaceae, lily family - includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae butcher's broom, Ruscus aculeatus - shrub with stiff flattened stems resembling leaves (cladophylls); used for making brooms |