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mainland
mainline
mainly
mainmast
mains
mainsail
mainsheet
mainspring
mainstay
mainstream
mainstreaming
mainstreeting
maintain
maintenance
maintenance bond
maintenance requirement
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mainstay

main·stay [ máyn stày ] (plural main·stays)


noun 
Definition:
 
1. chief support: somebody or something that plays the most important role in a particular group, place, or situation
Tourism is the mainstay of the country's economy.

2. rope securing ship's mainmast: the strong rope or cable that secures the mainmast on a sailing ship

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