warming pan

/W AO1 R M IH0 NG P AE1 N/
noun
  1. 1

    A covered metal pan attached to a long handle, holding live coals and used to warm a bed.

  2. 2

    A person put into a situation to hold it until another person can take over.

Synonyms

Source: https://en.wiktionary.org/wiki/warming%20pan