Clothing and ornamentation.

A collection laid out to be viewed in full.

An orderly series, arrangement or sequence.

Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle.

"drawn up in battle array"

A large collection.

"We offer a dazzling array of choices."

Common name for matrix.

Any of various data structures designed to hold multiple elements of the same type; especially, a data structure that holds these elements in adjacent memory locations so that they may be retrieved using numeric indices.

A ranking or setting forth in order, by the proper officer, of a jury as impanelled in a cause; the panel itself; or the whole body of jurors summoned to attend the court.

A militia.

A group of hedgehogs.

A microarray.

To clothe and ornament; to adorn or attire.

"He was arrayed in his finest robes and jewels."

To lay out in an orderly arrangement; to deploy or marshal.

To set in order, as a jury, for the trial of a cause; that is, to call them one at a time.