-_səs, -zəs noun
Etymology: New Latin, from Latin, a shrub ( Medicago arborea ), from Greek kytisos
1. capitalized : a large genus of stiff or spiny shrubs (family Leguminosae) native to Europe, northern Africa, and western Asia and having showy racemose flowers with a 2-lipped calyx — see broom 1
2. plural cytisi : a plant of the genus Cytisus