silkworm

noun

silk·​worm ˈsilk-ˌwərm How to pronounce silkworm (audio)
: a moth whose larva spins a large amount of strong silk in constructing its cocoon
especially : an Asian moth (Bombyx mori of the family Bombycidae) whose rough wrinkled hairless caterpillar produces the silk of commerce

Examples of silkworm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
People farm insects for all sorts of reasons: Farmers rear bees to pollinate billions of dollars of crops, textile companies raise silkworms for their cocoons, and cosmetic companies use cochineal beetles for dyes. Bob Fischer, The Conversation, 4 Apr. 2025 The story involves an unlucky silkworm cocoon and Leizu’s hot cup of tea. Scott Travers, Forbes, 4 Mar. 2025 Early Chinese farmers began selectively breeding the wild silkworms that exhibited desirable traits, such as higher silk production, larger size and a less aggressive nature. Scott Travers, Forbes, 4 Mar. 2025 The exhibition also highlights gold substitutes used in the past, such as sea silk made from the filaments secreted by the Pinna nobilis, a type of large saltwater clam; golden spider silk from Madagascar, and yellow cocoons produced by a type of silkworm in Cambodia. Joelle Diderich, WWD, 12 Feb. 2025 See All Example Sentences for silkworm

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of silkworm was before the 12th century

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Cite this Entry

“Silkworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silkworm. Accessed 9 Apr. 2025.

Kids Definition

silkworm

noun
silk·​worm ˈsil-ˌkwərm How to pronounce silkworm (audio)
: any of various moth larvae that spin a large amount of silk to make a cocoon
especially : a wrinkled hairless yellowish caterpillar that is the larva of an Asian moth, is raised in captivity on mulberry leaves, and produces a strong silk that is the silk most often used for thread or cloth

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