besiktas Share definition Flag Turkish soccer club from Istanbul. One of Turkey's so-called "big three," along with Galatasaray and Fenerbahce. Pronounced Beh-sheek-tash. The Besiktas fans all brought kebab knives to the match besiktas by jo jo December 1, 2004 0 0 Get merch Get the besiktas mug. Buy Now — $32.95 See more merch