mater
Americannoun
plural
maters, matres-
British Informal. mother.
-
the backing holding the movable parts of an astrolabe.
noun
Etymology
Origin of mater
First recorded in 1585–95, mater is from the Latin word māter
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Now check how much the average professor makes at your alma mater.
From The Wall Street Journal • Mar. 15, 2026
Prince William’s alma mater, Scotland’s elite University of St. Andrew’s, receives so many Americans it is now sometimes referred to as “mini-Nantucket.”
From The Wall Street Journal • Feb. 26, 2026
Certainly West Point, Lincoln’s alma mater, wasn’t training such people.
From Slate • Feb. 9, 2026
The two women have more in common than just their alma mater, though.
From Los Angeles Times • Feb. 3, 2026
“But not just any child. I am...uh, the mater in my sisterhood. The magna mater; in fact. There are no mysteries to me. Mithras cannot hide anything from my sight.”
From "The Mark of Athena" by Rick Riordan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.