rock·​weed | \ ˈräk-ˌwēd How to pronounce rockweed (audio) \

Definition of rockweed

: any of various coarse brown algae (order Fucales, especially genera Fucus, Ascophyllum, and Sargassum) growing in marine environments free-floating or attached to rocks

Examples of rockweed in a Sentence

Recent Examples on the Web Maine’s rockweed industry hinged on a similarly liberal interpretation of the ancient colonial rules. Ben Goldfarb, Smithsonian, "How Seaweed Connects Us All," 31 May 2018 This seaweed struggle, and the fate of A. nodosum itself, hinges on a single question, patently absurd yet bizarrely complex: is rockweed, in defiance of logic and biology, really a fish? Michelle Weber, Longreads, "What Is the Hot Commodity, Exactly?," 1 June 2018 But rockweed does not fit easily into existing categories. Ben Goldfarb, Smithsonian, "How Seaweed Connects Us All," 31 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rockweed.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rockweed

1583, in the meaning defined above

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The first known use of rockweed was in 1583

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Cite this Entry

“Rockweed.” The Dictionary, Merriam-Webster Inc., Accessed 15 December 2019.

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Rhyming Dictionary: Words that rhyme with rockweed

Comments on rockweed

What made you want to look up rockweed? Please tell us where you read or heard it (including the quote, if possible).


delight or enjoyment

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