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tr.v. ar·rayed, ar·ray·ing, ar·rays 1. To set out for display or use; place in an orderly arrangement: arrayed the whole regiment on the parade ground. 2. To dress, especially in fine clothes; adorn. n. 1. An orderly, often imposing arrangement: an array of royal jewels. 2. An impressively large number, as of persons or objects: an array of heavily armed troops; an array of spare parts. 3. Splendid attire; fine clothing. 4. Mathematics a. A rectangular arrangement of quantities in rows and columns, as in a matrix. b. Numerical data linearly ordered by magnitude. 5. An arrangement of usually identical devices, often sensors, that function as a unit: an array of solar panels. 6. Computers A group of memory elements accessed by one or more indices. [Middle English arraien, from Anglo-Norman arraier, from Vulgar Latin *arrēdāre; see reidh- in the Appendix of Indo-European roots.] |
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