English-Thai Dictionary
plumule
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Webster's 1828 Dictionary
PLUMULE
n.[L. plumula. ] The ascending scaly part of the embryo plant, which becomes the stem. [See Plume. ]
Webster's 1913 Dictionary
PLUMULE
Plu "mule, n. Etym: [L. plumula, dim. of pluma a feather; cf. F.plumule. ]
1. (Bot. )
Defn: 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. (Zoöl.) (a ) A down feather. (b ) The aftershaft of a feather. See Illust. under Feather. (c ) One of the featherlike scales of certain male butterflies.
New American Oxford Dictionary
plumule
plu mule |ˈplo͞omyo͞ol ˈplumjul | ▶noun 1 Botany the rudimentary shoot or stem of an embryo plant. 2 Ornithology a bird's down feather, numbers of which form an insulating layer under the contour feathers. ORIGIN early 18th cent.: from French plumule or Latin plumula ‘small feather, ’ diminutive of pluma ‘down. ’
Oxford Dictionary
plumule
plumule |ˈpluːmjuːl | ▶noun 1 Botany the rudimentary shoot or stem of an embryo plant. 2 Ornithology a bird's down feather, numbers of which form an insulating layer under the contour feathers. ORIGIN early 18th cent.: from French plumule or Latin plumula ‘small feather ’, diminutive of pluma ‘down ’.
The Wordsmith Dictionary