Wormwood \Worm"wood\, n. [AS. werm?d, akin to OHG. wermuota, wormuota, G. wermuth, wermut; of uncertain origin.]

[1913 Webster]

1. (Bot.) A composite plant (Artemisia Absinthium), having a bitter and slightly aromatic taste, formerly used as a tonic and a vermifuge, and to protect woolen garments from moths. It gives the peculiar flavor to the cordial called absinthe. The volatile oil is a narcotic poison. The term is often extended to other species of the same genus. [1913 Webster]

2. Anything very bitter or grievous; bitterness. [1913 Webster]

Lest there should be among you a root that beareth gall and wormwood. --Deut. xxix. 18. [1913 Webster]

Roman wormwood (Bot.), an American weed (Ambrosia artemisiaefolia); hogweed.

Tree wormwood (Bot.), a species of Artemisia (probably Artemisia variabilis) with woody stems.

Wormwood hare (Zool.), a variety of the common hare (Lepus timidus); -- so named from its color. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

wormwood

Source: WordNet (r) 2.0
 

Wormwood \Worm"wood\, n. [AS. werm?d, akin to OHG. wermuota, wormuota, G. wermuth, wermut; of uncertain origin.]

1. (Bot.) A composite plant (Artemisia Absinthium), having a bitter and slightly aromatic taste, formerly used as a tonic and a vermifuge, and to protect woolen garments from moths. It gives the peculiar flavor to the cordial called absinthe. The volatile oil is a narcotic poison. The term is often extended to other species of the same genus.

2. Anything very bitter or grievous; bitterness.

Lest there should be among you a root that beareth gall and wormwood. --Deut. xxix. 18.

Roman wormwood (Bot.), an American weed (Ambrosia artemisi[ae]folia); hogweed.

Tree wormwood (Bot.), a species of Artemisia (probably Artemisia variabilis) with woody stems.

Wormwood hare (Zo["o]l.), a variety of the common hare (Lepus timidus); -- so named from its color.

Source: Webster's Revised Unabridged Dictionary (1913)