Hypertext Webster Gateway: "valvate"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Valvate \Valv"ate\, a. [L. valvatus having folding doors.]
1. Resembling, or serving as, a valve; consisting of, or
opening by, a valve or valves; valvular.
2. (Bot.)
(a) Meeting at the edges without overlapping; -- said of
the sepals or the petals of flowers in [ae]stivation,
and of leaves in vernation.
(b) Opening as if by doors or valves, as most kinds of
capsules and some anthers.
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