What do the british call a garage?

Answer 1

A garage in Britain and Ireland is a building in which someone parks their car or cars> It may be attached to their home or it may be a separate structure. Petrol (gasoline) is sold in a "petrol station". A place where one takes one's car to be repaired is also called a "garage". A place where the public can park their cars is called a "car park"

Answer 2

Garridge - or garrazh.

Like many words of French origin (e.g. envelope) pronunciation varies, depending on familiarity with the original French.