مُسْتَدِرٌّ

2.
Also (tropical:) A number of arrows in their flight resembling the streaming of milk, by reason of the vehemence with which they are impelled; occurring in a verse of Aboo-Dhu-eyb. (TA.)
3.
فَرَسٌ مُسْتَدِرٌّ فِى عَدْوِهِ (tropical:) [A horse that runs far without being turned aside by anything]. (A.) [See دِرَّةٌ, and see also دَرِّىٌّ and دَرِيرٌ.]

Perseus ID: n12346