dunamPronunciation: /ˈdʊnəm/Definition of dunam noun a measure of land area used in parts of the former Turkish empire, including Israel (where it is equal to about 900 square metres). Origin:from modern Hebrew dûnām or Arabic dūnum, from Turkish dönüm, from dönmek 'go round'dunam in other Oxford dictionaries Definition of dunam in the US English dictionary