Pronunciation: (ok'tl), [key]
1. Also,octonary.of or pertaining to the number system with base 8, employing the numerals 0 through 7.
2. relating to or encoded in an octal system, especially for use by a digital computer.
3. (of an electronic device) having eight pins in its base for electrical connections.
octonary (def. 6).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.