ˌmīəˈs(h)u̇rəs, -īəsˈyu̇- noun
Usage: capitalized
Etymology: New Latin, from Greek myos (gen. of mys mouse) + New Latin -urus — more at mouse
: a genus of small annual herbs (family Ranunculaceae) found in temperate regions and having tufted linear-spatulate radical leaves and flowers with the receptacle slender and elongated in fruit — see mousetail