From WordNet (r) 2.0 (August 2003) [wn]:
flowerbed
n : a bed in which flowers are growing [syn: 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]