interj. [ Fare (thou, you) + well. ] Go well; good-by; adieu; -- originally applied to a person departing, but by custom now applied both to those who depart and those who remain. It is often separated by the pronoun; as, fare you well; and is sometimes used as an expression of separation only; as, farewell the year; farewell, ye sweet groves; that is, I bid you farewell. [ 1913 Webster ]

So farewell hope, and with hope, farewell fear. Milton. [ 1913 Webster ]

Fare thee well! and if forever,
Still forever fare thee well. Byron. [ 1913 Webster ]

☞ The primary accent is sometimes placed on the first syllable, especially in poetry. [ 1913 Webster ]

n. 1. A wish of happiness or welfare at parting; the parting compliment; a good-by; adieu. [ 1913 Webster ]

2. Act of departure; leave-taking; a last look at, or reference to something. [ 1913 Webster ]

And takes her farewell of the glorious sun. Shak. [ 1913 Webster ]

Before I take my farewell of the subject. Addison. [ 1913 Webster ]

a. Parting; valedictory; final; as, a farewell discourse; his farewell bow. [ 1913 Webster ]

Leans in his spear to take his farewell view. Tickell. [ 1913 Webster ]

Farewell rock (Mining), the Millstone grit; -- so called because no coal is found worth working below this stratum. It is used for hearths of furnaces, having power to resist intense heat. Ure. [ 1913 Webster ]