A commode.

feel the call of nature

wash, bathe, to wash a corpse

steam bath

shower-bath

sunbath

bathe, have a bath

bathrooms

bath room, washroom

supplying the wants, providing what is needful, necessary or desired

answering the call of nature, fulfillment of desire

want, need, necessity, exigency

one who fulfils someone's need

one who fulfils the needs of the world

to go to the toilet

as per need, in time of need, when required

evacuation, act of emptying bowels, answering the call of nature

need, want, indigence

grant (someone's) wish, supply or fulfil (someone's) need

destitute, needy, a mendicant, wish seeker

keep a prisoner in lock-up

a place where wishes come true, a temple

fulfilment of desire or need, providing what is wanted or desired

if you want to do a good deed, consult no one