an evergreen aromatic shrub of the mint family, native to southern Europe. The narrow leaves are used as a culinary herb, in perfumery, and as an emblem of remembrance.
Rosmarinus officinalis, family Labiatae
Origin:
Middle Englishrosmarine, based on Latin ros marinus, from ros 'dew' + marinus 'of the sea'. The spelling change was due to association with rose1 and Mary1
rosemary in other Oxford dictionaries
Definition of rosemary in the US English dictionary