drainer
/ˈdreɪnə(r)/noun
1- a device used to drain things, in particular a rack placed on a draining board to hold crockery while it drains滤干器（尤指置于滴水板上支承陶器的架子）。
1.1
- a draining board滴水板。
1.2
- a person who drains a flooded area（洪水泛滥区的）排水人。