| Pronunciation: | | 'ploomyool
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| Matching Terms: | | plumula, plumulaceous, plumular, plumularia, plumularian, plumulose
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 WordNet Dictionary |
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| | Definition: | | [n] down feather of young birds; persists in some adult birds |
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| | See Also: | | down, down feather |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Plu"mule\, n. [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. (Zo["o]l.)
(a) A down feather.
(b) The aftershaft of a feather. See Illust. under
{Feather}.
(c) One of the featherlike scales of certain male
butterflies.
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| Biology Dictionary |
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| | Definition: | | The portion of an embryo that gives rise to the shoot system (as distinct from the root system) of a plant. Compare radicle. |
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