ləˈbərnəm, -bə̄n- noun
Etymology: New Latin, from Latin, laburnum, bean trefoil
1. capitalized : a small genus of Eurasian poisonous shrubs and trees (family Leguminosae) having trifoliolate leaves and pendulous racemes of bright yellow flowers
2. -s : any plant of the genus Laburnum ; especially : an ornamental tree ( L. anagyroides ) often cultivated for Easter decoration — called also bean trefoil, golden chain, golden rain
3. -s
[Latin]
: any of several similar plants of related genera (as Cytisus )