: either of two small fishes (Microgadus tomcod of the northwestern Atlantic and M. proximus of the northeastern Pacific) of the cod family

Examples of tomcod in a Sentence

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The furiously evolving species is the bottom-feeding Atlantic tomcod, which lives in areas of the Hudson that were contaminated by PCBs through much of the 20th century. Andrew Moseman, Discover Magazine, 18 Feb. 2011 Because of two missing amino acids, this tomcod can swim through PCBs---and survive. Veronique Greenwood, Discover Magazine, 31 Oct. 2011

Word History

First Known Use

1722, in the meaning defined above

Time Traveler
The first known use of tomcod was in 1722

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Cite this Entry

“Tomcod.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tomcod. Accessed 14 Mar. 2025.

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