over
preposition
ˈəʊvə(r) 
ˈoʊvər Help
For the special uses of over in phrasal verbs, look at the entries for the verbs. For example get over something is in the phrasal verb section at get.
1 resting on the surface of somebody/something and partly or completely covering them/itShe put a blanket over the sleeping child.He wore an overcoat over his suit.She put her hand over her mouth to stop herself from screaming.2 in or to a position higher than but not touching somebody/something; above somebody/somethingThey held a large umbrella over her.The balcony juts out over the street.There was a lamp hanging over the table.3 from one side of something to the other; across somethinga bridge over the riverThey ran over the grass.They had a wonderful view over the park.4 on the far or opposite side of somethingHe lives over the road.5 so as to cross something and be on the other sideShe climbed over the wall.6 falling from or down from a placeThe car had toppled over the cliff.He didn't dare look over the edge.7 all over in or on all or most parts of somethingSnow is falling all over the country.They've travelled all over the world.There were papers lying around all over the place.8 more than a particular time, amount, cost, etcover 3 million copies soldShe stayed in Lagos for over a month.He's over sixty.9 used to show that somebody has control or authorityShe has only the director over her.He ruled over a great empire.She has editorial control over what is included.10 during somethingWe'll discuss it over lunch.Over the next few days they got to know the town well.She has not changed much over the years.He built up the business over a period of ten years.We're away over (= until after) the New Year.11 past a particular difficult stage or situationWe're over the worst of the recession.It took her ages to get over her illness.12 because of or concerning something; about somethingan argument over moneya disagreement over the best way to proceed13 using something; by means of somethingWe heard it over the radio.She wouldn't tell me over the phone.14 louder than somethingI couldn't hear what he said over the noise of the traffic.Idioms
over and above
in addition to something
There are other factors over and above those we have discussed.
Usage note: above / overAbove and over can both be used to describe a position higher than something: They built a new room above/over the garage. When you are talking about movement from one side of something to the other, you can only use over: They jumped over the stream. Over can also mean ‘covering’: He put a blanket over the sleeping child.Above and over can also mean ‘more than’. Above is used in relation to a minimum level or a fixed point: 2000 feet above sea level ◇ Temperatures will not rise above zero tonight. Over is used with numbers, ages, money and time: He’s over 50. ◇ It costs over £100. ◇ We waited over 2 hours.