The laurel tree (Laurus nobilis). Hence, in the plural, an honorary garland or crown bestowed as a prize for victory or excellence, anciently made or consisting of branches of the laurel. "The patriot's honors and the poet's bays."
3.
A tract covered with bay trees. (Local, U. S.)
Bay leaf, the leaf of the bay tree (Laurus nobilis). It has a fragrant odor and an aromatic taste, and is used for flavoring in food.
... can of tomatoes in a saucepan over the fire with half an onion, three cloves, a bay leaf, a sprig of parsley, a saltspoonful of sugar, and salt and pepper to taste. Cook until the onion is tender—about ten minutes—remove from the fire, press through a sieve fine enough to retain the seeds. ... — The Golden Age Cook Book • Henrietta Latham Dwight