usage: a children's game played with little balls made of a hard substance (as glass)
2. wits, marbles, intelligence
usage: the basic human power of intelligent thought and perception; "he used his wits to get ahead"; "I was scared out of my wits"; "he still had all his marbles and was in full possession of a lively mind"
Noun
1. marbles, child's game
usage: a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material
2. wits, marbles, intelligence
usage: a small ball of glass that is used in various games