noun, genitive Oc·tan·tis [ok-tan-tis] /ɒkˈtæn tɪs/. Astronomy.
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. 2019
noun Latin genitive Octantis (ɒkˈtæntɪs)
a faint constellation in the S hemisphere in which the S celestial pole is situated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.