[ fa-stij-ee-uh m ]
/ fæˈstɪdʒ i əm /

noun, plural fas·tig·i·ums, fas·tig·i·a [fa-stij-ee-uh] /fæˈstɪdʒ i ə/. Medicine/Medical.

the highest point of a fever or disease; the period of greatest development of an infection.

Origin of fastigium

Borrowed into English from Latin around 1670–80 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fastigium

Medicine definitions for fastigium


[ fă-stĭjē-əm ]


The summit of the roof of the fourth ventricle of the brain.
The acme or period of full development of a disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.