пирамидка

Noun

 * 1)  type of billiards played with 15 balls
 * 2)   triangular arrangement of billiard balls at the beginning of a game
 * 3) children's toy consisting of a set of multicolored rings, gradually diminishing in size, placed on a rod
 * 1) children's toy consisting of a set of multicolored rings, gradually diminishing in size, placed on a rod