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Of, belonging to, or peculiar to, autumn; as, an autumnal tint; produced or gathered in autumn; as, autumnal fruits; flowering in autumn; as, an autumnal plant. Thick as autumnal leaves that strow the brooks In Vallombrosa. Milton.

A genus of plants of the family Ranunculaceæ, containing the pheasaut's eye (Adonis autumnalis); -- named from Adonis, whose blood was fabled to have stained the flower.

often called "the fall." Astronomically, it begins in the northern temperate zone at the autumnal equinox, about September 23, and ends at the winter solstice, about December 23; but in popular language, autumn, in America, comprises September, October, and November.

onth of the calendar adopted by the first French republic. It began thirty days after the autumnal equinox. See Vendemiaire.

A powerful vegetable alkaloid, C17H19NO5, extracted from the Colchicum autumnale, or meadow saffron, as a white or yellowish amorphous powder, with a harsh, bitter taste; -- called also colchicia.

e sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal. When descends on the Atlantic The gigantic Stormwind of the equinox. Longfellow.

per at a harvest. [Obs.] Tusser. -- Harvest mite (Zoöl.), a minute European mite (Leptus autumnalis), of a bright crimson color, which is troublesome by penetrating the skin of man and domestic animals; -- called also harvest louse, and harvest bug. -- Harvest moon, the moon near the full at the time of harvest in En…

The fall dandelion (Leontodon autumnale).

A genus of liguliflorous composite plants, including the fall dandelion (L. autumnale), and formerly the true dandelion; -- called also lion's tooth.

The Balance; the seventh sign in the zodiac, which the sun enters at the autumnal equinox in September, marked thus libra in almanacs, etc. (b ) A southern constellation between Virgo and Scorpio.

s, as certain species of butterflies in which the spring brood differs from the summer or autumnal brood.

A yellow-flowered composite plant (Helenium autumnale) the odor of which is said to cause sneezing.

Same as Strew. Thick as autumnal leaves that strow the brooks In Vallombrosa. Milton. A manner turbid . . . and strown with blemished. M. Arnold.

f the new calendar. In this calendar, the year, which began at midnight of the day of the autumnal equinox, was divided into twelve months of thirty days, with five additional days for festivals, and every fourth year six. Each month was divided into three decades of ten days each, the week being abolished. The names o…