from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A plant of the genus Myosurus, especially M. minimus, having a taillike flower spike.
Sorry, no etymologies found.
'Well, it's a start,' said Ron, holding up a long wriggling mouse-tail and dropping it back into the box Lavender was passing around.
His moustache was shaved down to the very corners of his mouth, only a little mouse-tail sort of arrangement being left on each side, which was twisted upwards and dyed black with infinite skill.