shelduck
n . 雌麻鸭
雌麻鸭
shelduck n 1 :
female sheldrake Goosander \
Goos "
an `
der \,
n . [
OE .
gossander ,
a tautological word formed fr .
goose gander .
Cf . {
Merganser }.] (
Zool .)
A species of merganser ({
M .
merganser })
of Northern Europe and America ; --
called also {
merganser }, {
dundiver },
{
sawbill }, {
sawneb }, {
shelduck },
and {
sheldrake }.
See {
Merganser }.
[
1913 Webster ]
Sheldrake \
Shel "
drake `\,
n . [
Sheld drake .]
1 . (
Zool .)
Any one of several species of large Old World ducks of the genus {
Tadorna }
and allied genera ,
especially the European and Asiatic species . ({
Tadorna cornuta }
syn .
{
Tadorna tadorna }),
which somewhat resembles a goose in form and habit ,
but breeds in burrows .
[
1913 Webster ]
Note :
It has the head and neck greenish black ,
the breast ,
sides ,
and forward part of the back brown ,
the shoulders and middle of belly black ,
the speculum green ,
and the bill and frontal bright red .
Called also {
shelduck }, {
shellduck }, {
sheldfowl }, {
skeelduck },
{
bergander }, {
burrow duck },
and {
links goose }.
[
1913 Webster ]
Note :
The Australian sheldrake ({
Tadorna radja })
has the head ,
neck ,
breast ,
flanks ,
and wing coverts white ,
the upper part of the back and a band on the breast deep chestnut ,
and the back and tail black .
The chestnut sheldrake of Australia ({
Casarca tadornoides })
is varied with black and chestnut ,
and has a dark green head and neck .
The ruddy sheldrake ,
or Braminy duck ({
Casarca rutila }),
and the white -
winged sheldrake ({
Casarca leucoptera }),
are related Asiatic species .
[
1913 Webster ]
2 .
Any one of the American mergansers .
[
1913 Webster ]
Note :
The name is also loosely applied to other ducks ,
as the canvasback ,
and the shoveler .
[
1913 Webster ]
Shelduck \
Shel "
duck `\,
n . [
Sheld variegated duck .] (
Zool .)
The sheldrake . [
Written also {
shellduck }.]
[
1913 Webster ]
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