Standard Lemma guide

webworm

noun · 2 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.

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Pronunciation

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noun

Meaning 1

Any of various caterpillars, of diverse moth families, that spin a web; the moth species of such a caterpillar.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

noun

Meaning 2

several gregarious moth larvae that spin webs over foliage on which they feed

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: caterpillar

Narrower terms: fall webworm, Hyphantria cunea, garden webworm, Loxostege similalis

History

Etymology

From web + worm.

Word forms

Inflections and variants

webworms — plural
web worm — alternative

Word family

Derived and related words

Derived: ailanthus webworm, alfalfa webworm, beet webworm, cabbage webworm, corn root webworm, cotoneaster webworm, fall webworm, garden webworm, grass webworm, Hawaiian beet webworm, juniper webworm, mesquite webworm moth, mimosa webworm, oak webworm, Old World webworm, orange webworm, pale juniper webworm, papaya webworm, parsnip webworm, pasture webworm, pine false webworm, pine webworm, sod webworm, sorghum webworm, tropical grass webworm, turf webworm, webworm moth

Related: none provided

Semantic map

Other relationships

Hypernyms: caterpillar

Hyponyms: fall webworm, Hyphantria cunea, garden webworm, Loxostege similalis

Holonyms: Lasiocampidae, family Lasiocampidae

Sources

Where this information comes from

Wiktionary data was expanded into structured fields by Wiktextract. Matching Princeton WordNet definitions and semantic relationships, plus CMUdict ARPABET pronunciations, are merged into this same canonical word page.

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Changes made: Wiktionary markup was removed and matching senses were grouped; WordNet and CMUdict evidence was merged into the canonical word page. Source quotations with separate cited works are not republished.

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