Juniper berry and Juniper berries

Juniper berry noun - Berrylike fruit of a plant of the genus Juniperus especially the berrylike cone of the common juniper.

Juniper berries is a synonym for juniper berry. In some cases you can replace phrase "Juniper berries" with "Juniper berry", this phrases are similar.

Juniper berries noun - Berrylike cone of a common juniper; used in making gin.

Juniper berry is a synonym for juniper berries. You can use "Juniper berry" instead a noun phrase "Juniper berries".