Standard Lemma guide

hyoscyamus

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any of the genus Hyoscyamus of henbanes.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The leaves of black henbane (Hyoscyamus niger), used in neuralgic and pectoral troubles.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

genus of poisonous herbs: henbane

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: genus Hyoscyamus

Antonyms: none provided

Broader terms: asterid dicot genus

History

Etymology

From the genus name.