Webster's Revised Unabridged Dictionary · 1913

Rosemary

Rosemary , noun

[Old English rosmarine, Latin rosmarinus; ros dew (compare Russ. rosa, Lithuanian rasa, Sanskrit rasa juice) + marinus marine: compare French romarin. In English the word has been changed as if it meant the rose of Mary. See Marine.]

A labiate shrub (Rosmarinus officinalis) with narrow grayish leaves, growing native in the southern part of France, Spain, and Italy, also in Asia Minor and in China. It has a fragrant smell, and a warm, pungent, bitterish taste. It is used in cookery, perfumery, etc., and is an emblem of fidelity or constancy.
There's rosemary, that's for remembrance. — Shakespeare
Collocations (2)
Marsh rosemary (Andromeda polifolia) , (a) A little shrub (Andromeda polifolia) growing in cold swamps and having leaves like those of the rosemary (b) See under Marsh.
Rosemary pine , the loblolly pine. See under Loblolly.