From Longman Dictionary of Contemporary Englishmullmull1 /mʌl/ verb [transitive] usually mull something ↔ over to think about a problem, plan etc for a long time before making a decision SYN consider He’s mulling over the proposals before making any changes. The company is mulling over a share offer.→ See Verb table
Examples from the Corpus
mull• Constant mulling had left Father Vic afflicted with a wide array of nervous tics, small flinches and exasperated sighs.• The amateur crypto-hackers challenge each statement, asking for clarification, mulling it over until each understands.• He's mulling over an offer from NBC to star in his own series.• There, with a copious supply of scotch, he mulled over the day's events.• Barney appeared to be mulling over what he had just learned; several times he looked searchingly at Melissa across the table.• Kirov mulled over what he knew of the man thus far.• For some days he had been mulling this over, trying to come up with something more interesting than Wyvis Hall.mullmull2 noun [countable] SGDNan area of land that sticks out into the sea – used in Scotland the Mull of KintyreExamples from the Corpus
mull• We have wine on the mull.MullMull (also the Isle of Mull) a large island off the west coast of Scotland, the largest island in the Inner Hebrides. It is often visited by tourists, especially in summer.Origin mull (1800-1900) mull “to crush into powder” ((15-20 centuries)), from mull “dust” ((14-19 centuries)), probably from Middle Dutch mol 