From WordNet (r) 3.0 (2006) [wn]:
flowerbed
n 1: a bed in which flowers are growing [syn: flowerbed,
flower bed, bed of flowers]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
flowerbed \flowerbed\ n.
1. a bed in which flowers are growing.
Syn: bed of flowers.
[WordNet 1.5]