The Collaborative International Dictionary
Prefloration
Prefloration \Pre`flo*ra"tion\, n. [Pref. pre- + L. flos, floris, flower.] (Bot.) [AE]stivation.
Wiktionary
prefloration
alt. (context botany English) The arrangement (vernation) of floral parts in a bud. n. (context botany English) The arrangement (vernation) of floral parts in a bud.