fire engine = fire truck

a special large vehicle that carries equipment and the people that stop fires burning, especially the equipment that shoots water at a fire

fire extinguisher

/ˈfaɪər ɪkstɪŋɡwɪʃər/
a metal container with water or chemicals in it, used for stopping small fires

fire escape

/ˈfaɪər ɪskeɪp/
metal stairs or a metal ladder on the outside of a tall building, that people can use to escape if there is a fire

firework

/ˈfaɪərwɜːrk/
a small container filled with powder that burns or explodes to produce coloured lights and noise in the sky

fire hydrant

/ˈfaɪər haɪdrənt/
a water pipe in a street used to get water to stop fires burning

fireman / firefighter

someone whose job is to stop fires burning