In older usage, it is the scientific study of crystals.
But if you insist, I could limit my speech to current usage and slang no older than a year.
This can mean that the works may be problematic when searching for older grammatical usage.
In 1949 the Pavilion's minarets were taken down, and the building returned to its old usage.
An older usage still persists in the proper names of some secondary schools.
Recently, however, the word was used in a context that set the old usage on its head.
By 1902, it was one word - Eggbuckland although the older usage is still seen and heard around the city.
In older usage, a pocket was a separate small bag or pouch.
Division rings used to be called "fields" in an older usage.
In the 17th century, however, old usages came up occasionally.