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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UK:/ˈsɪlkwɜːm/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S IH1 L K W ER0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any of various caterpillars of moths that produce silk cocoons, especially Bombyx mori, the source of most commercial silk.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
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
3
noun
Meaning 3
larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: giant silkworm, wild wilkworm
Antonyms: none provided
Broader terms: caterpillar
Narrower terms: ailanthus silkworm, Samia cynthia
History
Etymology
From Middle English silkwirm, from Old English seolcwyrm (“silkworm”), equivalent to silk + worm.
Across languages
Translations
126 source translations are retained for this English entry.