RUST (2)

rust (2). Rust, v. to gather rust, make rusty, canker, spoil

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Rust, v. i. [imp. & p. p. Rusted; p. pr. & vb. n. Rusting.] [[AS. rustian.]] 1. 1. To contract rust; to be or become oxidized.
If gold ruste, what shall iron do? Chaucer. Our armors now may rust. Dryden. 2. 2. To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.
3. 3. Fig.: To degenerate in idleness; to become dull or impaired by inaction.
Must I rust in Egypt? never more Appear in arms, and be the chief of Greece? Dryden.