المُدَحْرِجُ

[The roller; meaning] the جُعَل [or species of black beetle mentioned above, voce دُحْرُوجَةٌ]. (IAar, TA.)

هَالِبُ الشَّعْرِ and مُدَحْرِجُ البَعْرِ are [Two] days of winter. (K in article هلب.)