muffineer noun2 •A small jar or caster with a perforated top for sprinkling salt or sugar on muffins.He was sitting at his table by the light of a solitary candle, with a pen in one hand, and a muffineer in the other, with which he occasionally sprinkled salt on the wick, to make it burn blue. — 1818 •(no longer used) A dish for keeping muffins hot. formsmuffineers