noun

• (uncountable) The amount or proportion of something that is wasted or lost by deterioration or other natural process.
• (uncountable) The periodical turnover of personnel in an organisation by death, retirement or resignation, as perceived by those aspiring to promotion or appointment in the organisation.
• (countable) Anything lost by wear or waste.
• (uncountable) Goods that are damaged, out of date, reduced, or generally unsaleable, which are destined to be thrown away and which are written off as a loss.
• (hunting, countable) The act of abandoning animal carcasses or parts, usually illegal.