miller's-thumb
noun
mill·er's-thumb
ˌmi-lərz-ˈthəm 
: any of several small freshwater spiny-finned sculpins (genus Cottus) of Europe and North America
Cite this Entry
“Miller's-thumb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/miller%27s-thumb. Accessed 31 Oct. 2025.
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