西方古時有冇「尿壺」呢類嘢？個名叫乜？

Yes, it is mainly for medical use.

Urinal - (or Medical Urinal)
: a vessel so constructed that it can be used for urination by a bedridden patient. (from Merriam-Webster dictionary)

Urinal also means a type of toilet for men that is attached to the wall.


2012-07-27 14:38:07 補充：
You may also call it "portable urinal". (urinal is already a noun = urine container)

點解會係medical use 呢？唔通鬼佬平時唔使屙尿嘅咩？

(medical term) portable urinal container.

2012-07-28 18:25:30 補充：
urinal(n) is a vessel for urine,esp one for the use of an incontinent,or bed-ridden person;a sanitary fitting usu.plumbed into a wall,for the use of men when urinating;a building having fixed receptacle(s) for use in urination;a chamber-pot(archaic use)