Wikipedia:

Flower

Summary:

sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to mediate the union of male sperm with female ovum in order to produce seeds. The process begins with pollination, ...  (42 of 5258 words, 20 images)

Link:

http://en.wikipedia.org/wiki/Flower  [cite]

Encarta:

flowers

Summary:

[takes a singular verb] a fine powder produced by sublimation or condensation  (12 of 24 words, pronunciation)

Link:

http://encarta.msn.com/dictionary 701706078/definition.html  [cite]

Wiktionary:

flowers

Summary:

Plural form of flower. | Third-person singular simple present indicative form of flower.  (12 of 21 words, 2 senses, pronunciation)

Link:

http://en.wiktionary.org/wiki/flowers  [cite]