mainstay noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of mainstay noun from the Oxford Advanced American Dictionary

mainstay

noun

NAmE//ˈmeɪnsteɪ//

[usually singular] mainstay (of something)

a person or thing that is the most important part of something and enables it to exist or be successful He is the mainstay of our theater group. Cocoa is the country's economic mainstay. Love songs form the mainstay of his act.

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Nearby words

mainsail noun
mainspring noun
mainstay noun
mainstream noun
mainstream verb