Vocabulary
尿瓶
しびん
urine bottle; (urinary) bedpan; chamber pot (esp. medical); urinal
noun
Example sentences
普通（ふつう）の看護師（かんごし）は、ちんこに溲（しゅ）瓶（びん）も添（そ）えるし手術（しゅじゅつ）の時（とき）は剃毛（ていもう）もするぞ。
A typical nurse will do such things as helping with a urinal bottle, and shaving in preparation for surgery!
つまり、この花瓶（かびん）を尿瓶（しびん）の代（か）わりに使（つか）えってことか？
In other words, he's saying to use the flower vase in place of the urine bottle?