Definition of: rot

(rot) v. rot·ted, rot·ting v.i.
1. To undergo decomposition; decompose; decay.
2. To fall or pass by decaying: with away, off, etc.
3. To become morally rotten.
—v.t.
4. To cause to decompose; decay.
5. To ret. See synonyms under DECAY, PUTREFY.
—noun
1. That which is rotten, or the process of rotting.
2. A wasting disease, as of the lungs.
3. A parasitic disease affecting sheep and other domestic animals.
4. A form of decay in plants, caused by fungi and bacteria.
5. Colloq. Trashy and nonsensical opinions or expressions; twaddle; bosh.
—interj. Nonsense; bosh. [OE rotian]