حَدَّثَنَا ابْنُ بَشَّارٍ، قَالَ قَالَ مُحَمَّدُ بْنُ جَعْفَرٍ قَالَ عَوْفٌ الْعِيَافَةُ زَجْرُ الطَّيْرِ وَالطَّرْقُ الْخَطُّ يُخَطُّ فِي الأَرْضِ ‏.‏

Narrated Muhammed b. Ja'far: On the authority of 'Awf: 'Iyafah means to makes the birds fly by threatening them. Tarq means lines drawn on the earth. Translation Not Available

Book Ref: Sunan Abi Dawud Book 30 Hadith 3908
Web Ref:  Sunan Abi Dawud Book 29 Hadith 3899