Hickory/ˈhɪkəri/ Definition 1 of 3Pro Tip 1/3Botanical Context Hickory is often discussed in topics related to botany or gardening. Hickory species vary and some are prized for their nuts. Pro Tip 2/3American Origins Many hickory trees are native to North America, often mentioned in American culture. 'Hickory, dickory, dock' is a famous nursery rhyme. Pro Tip 3/3Culinary Usage The nuts of some hickory species are edible and used in cooking. Hickory nuts add a unique flavor to this pie.