an agate, used as a gem, having polygonal banding such that it suggests the plan of a bastion.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Origin of fortification agate
First recorded in 1880–85
Words nearby fortification agate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for fortification agate
Sometimes they are arranged in angles, presenting the fortification-agate.