Tchaik 5 Share definition Flag A common way to abbreviate Tchaikovsky's 5th symphony. We played Tchaik 5 again for the concert at the Pantages. Tchaik 5 by Sleepless in the Symphony January 9, 2007 0 0 Get merch Get the Tchaik 5 mug. Buy Now — $32.95 See more merch