1. (noun)redberry, red-berry, Rhamnus croceus small spiny evergreen shrub of western United States and Mexico with minute flowers and bright red berries Synonyms: redberry, red baneberry, red-berry, snakeberry
2. (noun)red baneberry, redberry, red-berry, snakeberry, Actaea rubra North American perennial herb with alternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries Synonyms: red baneberry, redberry, snakeberry, red-berry