Definition of "Over" :
noun: (cricket) the division of play during which six balls are bowled at the batsman by one player from the other team from the same end of the pitch
adjective: having come or been brought to a conclusion
"The affair is over, ended, finished."
adverb: over the entire area
"The wallpaper was covered all over with flowers."
adverb: throughout a period of time
"Stay over the weekend."
adverb: at or to a point across intervening space etc.
"Come over and see us some time."
adverb: throughout an area
"He is known the world over."
adverb: beyond the top or upper surface or edge; forward from an upright position
"A roof that hangs over."