follow Dictionary.com

Is irregardless a word?

mainstay

[meyn-stey] /ˈmeɪnˌsteɪ/
noun
1.
Nautical. the stay that secures the mainmast forward.
2.
a person or thing that acts as a chief support or part:
Coffee is the mainstay of the country's economy.
Origin of mainstay
1475-1485
1475-85; main1 + stay2
Synonyms
2. pillar, bulwark, anchor, prop.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for mainstay
Contemporary Examples
Historical Examples
British Dictionary definitions for mainstay

mainstay

/ˈmeɪnˌsteɪ/
noun
1.
(nautical) the forestay that braces the mainmast
2.
a chief support
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
Cite This Source
Word Origin and History for mainstay
n.

"chief support," 1787, figurative use of a nautical noun meaning "stay which extends from the main-top to the foot of the foremast" (late 15c.), from main (adj.) + stay (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for mainstay

Few English speakers likely know this word

Word Value for mainstay

13
14
Scrabble Words With Friends