Definition:
Compare mainstay with other words:
footing vs. mainstay
mainstay vs. proponent
mainstay vs. prop
backbone vs. mainstay
foremast vs. mainstay
mainmast vs. mainstay
mainstay vs. rope
mainstay vs. support
chief vs. mainstay
mainstay vs. sinew
atlas vs. mainstay
mainstay vs. stay