Englishfor English speakers
academy
Noun
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An academy is an educational organization, similar to a university or college.
She passed the exams to enter the local academy.
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An academy is a place for special training, such as a military academy.
I learnt about horses at the riding academy.
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An academy is a group of experts in a particular field of arts or science, who regulate and promote their speciality.
He was made an honorary member of The Academy of American Poets.
aperture
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noun
a device that controls amount of light admitted
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noun
an man-made opening; usually small
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noun
a natural opening in something