WordReference Random House Unabridged Dictionary of American English © 2026
cy•no•sure
(sī′nə shŏŏr′, sin′ə-),USA pronunciation n.
cy′no•sur′al, adj.
- something that strongly attracts attention by its brilliance, interest, etc.:the cynosure of all eyes.
- something serving for guidance or direction.
- Greek Kynósoura the constellation Ursa Minor, equivalent. to kynós dog's (genitive of kýōn) + ourá tail
- Latin Cynosūra
- 1590–1600