To decay or decompose through the action of bacteria or fungi.

• To cause to decay by natural processes.

To decline in quality, function, or usefulness.

• To become morally or socially corrupt.

To spend a long time in an unpleasant place or state.

• Often used of prison: to rot in jail.

To speak nonsense.

• British informal.

The process of rotting; putrefaction.

• Decayed matter.
• A disease causing tissue breakdown in plants or animals.

Nonsense; foolish talk.

Initialism of record of transmission.