Language: Old English Origin: mawan mow verb mow past tense mowed, past participle mown [intransitive and transitive]1TADLG to cut grass using a machine: it is time to mow the lawn again.2 new-mown hay/grass etcTADLG recently cut grass etcmow somebody ??? down phrasal verb1PM to kill large numbers of people at the same time, especially by shooting them: The soldiers were mown down by machine gun fi