الأَبْطَنُ
Root: بطن
Full Definition
الأَبْطَنُ
A certain vein in the interior of the arm of the horse; one of two veins which are called
الأَبْطَنَانِ: accord. to AO, these are two veins that penetrate into the interior of the arm until they become hidden among the sinews of the shank.