ˈ ̷ ̷ ̷ ̷| ̷ ̷ noun
( plural miller's-thumbs )
Etymology: Middle English myllarys thowmbe, from myllarys, milleres (gen. of myllar, millere miller) + thowmbe, thombe thumb
1. : any of several small freshwater spiny-finned sculpins (genus Cottus ) of Europe (as C. gobio ) and No. America
2. dialect England : any of several small birds (as the goldcrest or the willow warbler)