Nautical. the that secures the mainmast forward.
a person or thing that acts as a chief support or part:
Coffee is the mainstay of the country’s economy.
(nautical) the forestay that braces the mainmast
a chief support
“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.).
- Main store
noun 1. (computing) another name for memory (sense 7) main memory
[meyn-streem] /ˈmeɪnˌstrim/ noun 1. the principal or dominant course, tendency, or trend: the mainstream of American culture. 2. a river having tributaries. 3. regular school classes or regular schools: keeping autistic students in the mainstream. adjective 4. belonging to or characteristic of a principal, dominant, or widely accepted group, movement, style, etc.: mainstream Republicans; a […]
- Mainstream corporation tax
noun 1. (in Britain) the balance of the corporation tax formerly paid by a company for an accounting period after the advance corporation tax had been deducted
[meyn-stree-mer] /ˈmeɪnˌstri mər/ noun 1. a member of the .