It could be a fruit shaped ear of timbó, but I never heard to be called so. Safe is a Cuban son of strong dance rhythm. The meaning proposed by Jorge Luis Tovar Díaz is a feminization (and singling out) timbós. Although it seems to me that the meaning you are looking for is the game for money; with one source more assumed that safe, since it is a Spanish pre-Romanesque germania, a possible derivative of timpa (monte, loma) in several dialects, which eventually named the game of cards of the mount, and there must have expanded all game as Lottery Roulette, racing, provided that you can bet.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list
