Standard Lemma guide

oestrum

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

A biting insect; a gadfly or botfly.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Something that stings or incites one to frenzy or action; an impulse or passion.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, countable, figuratively, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Estrus.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, countable, uncountable

Topics: biology, medicine, natural-sciences, physiology, sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin oestrum, variant of oestrus.