Definition of plinth
1a
: the lowest member of a base : subbase
b
: a block upon which the moldings of an architrave or trim are stopped at the bottom
2
: a usually square block serving as a base
broadly
: any of various bases or lower parts
3
: a course of stones forming a continuous foundation or base course
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share plinth
Time Traveler for plinth
The first known use of plinth was in 1563
See more words from the same year