Grees

Grees a medieval term, which some assert to be derived from Gradus, signifying "a step." It is frequently employed by old English writers to designate the altar-steps, which anciently were two only; but others were added later, until, in more recent times, high altars have been elevated on at least seven steps. There are some examples of this both in old and modern churches.

⇒See also the International Standard Bible Encyclopedia.