Lame duck

What is Lame duck?

Lame duck definition and meaning on Dictionary terms:
noun

an elected official or group of officials, as a legislator, continuing in office during the period between an election defeat and a successor’s assumption of office.
a president who is completing a term of office and chooses not to run or is ineligible to run for reelection.
a person finishing a term of employment after a replacement has been chosen.
anything soon to be supplanted by another that is more efficient, economical, etc.
a person or thing that is disabled, helpless, ineffective, or inefficient.
a person who has lost a great deal of money in speculations on the stock market.