Any of several pine trees of the south eastern United States, especially the loblolly pine, Pinus taeda, the foliage of which has a distinctive rosemary-like fragrance.
Origin
Mid 19th century.
Definition of rosemary pine in US English:
rosemary pine
noun
Any of several pine trees of the south eastern United States, especially the loblolly pine, Pinus taeda, the foliage of which has a distinctive rosemary-like fragrance.