Mull \Mull\, v. t. [imp. & p. p. {Mulled}; p. pr. & vb. n. {Mulling}.] [From mulled, for mold, taken as a p. p.; OE. mold-ale funeral ale or banquet. See {Mold} soil.] 1. To heat, sweeten, and enrich with spices; as, to mull wine. New cider, mulled with ginger warm. --Gay. 2. To dispirit or deaden; to dull or blunt. --Shak.