Meaning of “shower” - Learner’s Dictionary

shower

noun [ C ] uk us /ʃaʊər/
WASH

A1 If you have or take a shower, you wash your whole body while standing under a flow of water:

I got up, had a shower and got dressed.
BATHROOM EQUIPMENT

A1 a piece of bathroom equipment that you stand under to wash your whole body:

He likes to sing in the shower.
RAIN

B1 a short period of rain

a shower of sth

a lot of small things in the air, especially falling through the air:

a shower of glass

(Definition of “shower noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)