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."