(ISd, K,) [aorist يَرْكُو,] verbal noun رَكْوٌ, (ISd, TA,) He dug, or excavated, (ISd, K, TA,) the ground, forming an oblong hollow. (ISd, TA.)
2.
He made, formed, or fashioned, in a suitable manner, a small watering-trough such as is termed مَرْكُوّ, (AZ, TA,) or a watering-trough [in an absolute sense]; as also ↓اركى. (TA.)