糯 is glutinous and 米 is rice (in particular, uncooked rice or rice grains) so 糯米 is glutinous rice. The third character 雞 is the word for chicken, so 糯米雞 is glutinous rice chicken.
About This Dish
Glutinous rice wrapped and steamed in a lotus leaf (don't eat the leaf), containing meat, mushroom and egg.