verb

• (intransitive) To suffer decomposition due to biological action, especially by fungi or bacteria.
  "The apple left in the cupboard all that time had started to rot."
• (intransitive) To decline in function or utility.
  "Your brain will rot if you spend so much time on the computer, Tony!"
• (ambitransitive) To (cause to) deteriorate in any way, as in morals; to corrupt.
• (transitive) To make putrid; to cause to be wholly or partially decomposed by natural processes.
  "to rot vegetable fiber"

noun

• (chiefly in compounds) Any of several diseases in which breakdown of tissue occurs.
  "His cattle must of rot and murrain die."
• (uncountable) Verbal nonsense.
  "You're talking rot! I don't believe a word."

noun

• (broadcasting) Initialism of record of transmission.

name

• (sports) Abbreviation of refugee Olympics team (country code for the team).