- the Octant, a southern constellation that contains the south celestial pole.
Origin of Octans
- (of a fever) occurring every eighth day.
- an octan fever.
Origin of octan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a faint constellation in the S hemisphere in which the S celestial pole is situated
- Occurring every eighth day. Used of a recurring fever.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.