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Webster 1913 Edition

Plumule

Plu′mule

,
Noun.
[L.
plumula
, dim. of
pluma
a feather; cf. F.
plumule
.]
1.
(Bot.)
The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of
Radicle
.
Gray.
2.
(Zool.)
(a)
A down feather.
(b)
The aftershaft of a feather. See Illust. under
Feather
.
(c)
One of the featherlike scales of certain male butterflies.

Webster 1828 Edition

Plumule

PLU'MULE

,
Noun.
In botany, the ascending scaly part of the corculum or heart of a seed; the scaly part of the embryo plant within the seed, which rises and becomes the stem or body. It extends itself into the cavity of the lobes, and is terminated by a small branch resembling a feather, from which it derives its name.

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