See Also: protalus(dictionary)

protalus (iou)



protalus noun. M20.
[from PRO-2 + TALUS noun2.]
Physical Geography. More fully protalus rampart, protalus ridge. A ridge marking the lower edge of an existing or melted snow-bank, composed of boulders and coarse debris that have slid or rolled from a talus or scree higher up.