Definitions for mainstay
Overview of noun mainstay
The noun mainstay has 3 senses? (no senses from tagged texts)
1. pillar, mainstay
(a prominent supporter; "he is a pillar of the community")
2. anchor, mainstay, keystone, backbone, linchpin, lynchpin
(a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm")
3. mainstay
(the forestay that braces the mainmast)
