charlock
n . 野芥子
野芥子
charlock n 1 :
weedy Eurasian plant often a pest in grain fields [
synonym :
{
field mustard }, {
wild mustard }, {
charlock }, {
chadlock },
{
Brassica kaber }, {
Sinapis arvensis }]
Harlock \
Har "
lock \ (
h [
aum ]
r "
l [
o ^]
k ),
n .
Probably a corruption either of {
charlock }
or {
hardock }.
--
Drayton .
[
1913 Webster ]
Mustard \
Mus "
tard \,
n . [
OF .
moustarde ,
F .
moutarde ,
fr .
L .
mustum must , --
mustard was prepared for use by being mixed with must .
See {
Must },
n .]
1 . (
Bot .)
The name of several cruciferous plants of the genus {
Brassica } (
formerly {
Sinapis }),
as {
white mustard }
({
Brassica alba }), {
black mustard } ({
Brassica Nigra }),
{
wild mustard }
or {
charlock } ({
Brassica Sinapistrum }).
[
1913 Webster ]
Note :
There are also many herbs of the same family which are called mustard ,
and have more or less of the flavor of the true mustard ;
as ,
bowyer '
s mustard ({
Lepidium ruderale });
hedge mustard ({
Sisymbrium officinale });
Mithridate mustard ({
Thlaspi arvense });
tower mustard ({
Arabis perfoliata });
treacle mustard ({
Erysimum cheiranthoides }).
[
1913 Webster ]
2 .
A powder or a paste made from the seeds of black or white mustard ,
used as a condiment and a rubefacient .
Taken internally it is stimulant and diuretic ,
and in large doses is emetic .
[
1913 Webster ]
{
Mustard oil } (
Chem .),
a substance obtained from mustard ,
as a transparent ,
volatile and intensely pungent oil .
The name is also extended to a number of analogous compounds produced either naturally or artificially .
[
1913 Webster ]
Charlock \
Char "
lock \,
n . [
AS .
cerlic ;
the latter part perh .
fr .
AS .
le ['
a ]
c leek .
Cf . {
Hemlock }.] (
Bot .)
A cruciferous plant ({
Brassica sinapistrum })
with yellow flowers ;
wild mustard .
It is troublesome in grain fields .
Called also {
chardock }, {
chardlock }, {
chedlock },
and {
kedlock }.
[
1913 Webster ]
{
Jointed charlock }, {
White charlock },
a troublesome weed ({
Raphanus Raphanistrum })
with straw -
colored ,
whitish ,
or purplish flowers ,
and jointed pods :
wild radish .
[
1913 Webster ]
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