1. a small, round sponge cake, usually with a circular indentation on top, for topping with fruit, whipped cream, etc., and served as an individual portion.
2. Mary Janes , Trademark. small bits of chocolate, candy, sugar, or the like, for sprinkling on ice cream; sprinkles.
3. Trademark. a brand of young girls' low-heeled shoe of patent leather having across the instep a single strap that fastens at the side.
Slang.
marijuana.
Also, maryjane /mair"ee jayn'/ .
[ trans. of MexSp marijuana, by the popular assumption that it is a compound of Sp María and Juana ]