The Chinese word for bed pan is
便盆

biàn pén

Chinese Definition

Components
便
1. convenient; handy
方便 - convenient, suitable -
便利 - convenient, easy -
簡便 - convenient, handy -
2. to go a long way in; to serve the interests of; to benefit; to make convenient
3. nimble; agile
4. informal; ordinary; plain
便衣 - civilian clothes -
便服 - casual clothes -
便函 - informal letter -
5. human waste; excretion
小便 - to urinate -
大便 - to defecate -
便器 - toilet -
糞便 - excrement, feces -
6. soon afterward; as soon as
警察一到現場，人群便四散離去。 - The crowd soon dissipated when the police arrived.
他到了日本，不久便發了洋財。 - He went to Japan and soon made a big fortune.
他二-十幾歲便開始謝頂。 - He started going bald in his twenties.
7. then
他一得空kòng 便跑-出去玩。 - As soon as gets free, he (then) runs out to play.
8. even if; even though
9. cheap; inexpensive
便pián宜yi - cheap
10. (Cantonese, non-productive) (Suffix for locational nouns); side
盆
1. basin; tub
花盆 - flower pot
洗臉盆 - washbasin
2. basin-shaped thing
骨盆 - pelvis
3. unit of volume equal to 12 升 (128 liters)
一大盆水 - a large basin of water
一盆花 - a pot of flowers
Pen