over / ˈoʊ vər /
preposition
above in place or position:
the roof over one’s head.
above and to the other side of:
to leap over a wall.
adverb
beyond the top or upper surface or edge of something:
a roof that hangs over.
so as to cover the surface, or affect the whole surface:
The furniture was covered over with dust.
adjective
upper; higher up.
higher in authority, station, etc.