1. Plant: Wormwood is a common name for several plants in the genus *Artemisia*, particularly *Artemisia absinthium*. This bitter, aromatic herb has been used for centuries in traditional medicine, as a flavoring agent, and, historically, as an ingredient in the alcoholic beverage absinthe.
2. Biblical Reference: In the Book of Revelation, "wormwood" is used as a symbol of bitterness, judgment, and destruction. The "star" that falls from heaven and poisons the waters is called "Wormwood", signifying a period of great suffering and hardship.
3. Figurative Meaning: Beyond the literal and biblical interpretations, "wormwood" can be used metaphorically to describe anything that is extremely bitter, unpleasant, or causing great sorrow or distress.
4. Fictional Reference: In the popular science fiction series *Dune*, "wormwood" is a deadly poison used by the Fremen, a native people of the desert planet Arrakis.
Therefore, the meaning of "wormwood" depends on the context in which it is used. You need to consider the source and its intended meaning to understand its significance.