ποτίστρα

A. watering-place, drinking-trough, Call. Dian. 50, D.S. 3.17, Str. 8.3.31, Al.Ex. 2.16, PFlor. 50.107 (iii A.D.).

2. conduit or channel, CPR 121.1 (pl., iii A.D.), PTeb. 374.14 (ii A.D.), etc.