عبر

الشِّعْرَى العَبُورَ ذ [ The star Sirius; ] a certain bright star; (TA;) one of the شِعْرَيَانِ, which [ in the order of rising ] is after, or behind, [in the TA, erroneously, “ with, ”] الجَوْزَاآء [here meaning Gemini ]: (S, O:) called العبور because of its having crossed the Milky Way. (S, O, TA.) [See also الشِّعْرَى in art. شعر. ― -b2- Hence the saying, عَصَفَتْ دَبُورُهُ وَسَقَطَتْ عَبُورُهُ, expl. in art. دبر.]