British English : at You use at to say where or when something happens or where it is.I'll meet you at the information desk at seven o'clock.æt PREPOSITION
preposition
used to indicate location or position ⇒ are they at the table? , staying at a small hotel
towards; in the direction of ⇒ looking at television , throwing stones at windows
used to indicate position in time ⇒ come at three o'clock
engaged in; in a state of (being) ⇒ children at play , stand at ease , he is at his most charming today
(in expressions concerned with habitual activity) during the passing of (esp in the phrase at night) ⇒ he used to work at night
for; in exchange for ⇒ it's selling at four pounds
used to indicate the object of an emotion ⇒ angry at the driver , shocked at his behaviour
See where it's at
noun
a Laotian monetary unit worth one hundredth of a kip