a. 外卷的, 后旋的

[医] 绕转的

Revolute \Rev"o*lute\, a. [L. revolutus, p. p. of revolvere. See
{Revolve}.] (Bot. & Zo["o]l.)
Rolled backward or downward.

Note: A revolute leaf is coiled downwards, with the lower
surface inside the coil. A leaf with revolute margins
has the edges rolled under, as in the Andromeda
polifilia.