دحو

أُدْحِىٌّ ذ , (S, K,) [originally أُدْحُوىٌ, of the measure أُفْعُولٌ from دَحَيْتُ, but said in the S to be of that measure from دَحَوْتُ, the dial. var. دَحَيْتُ not being there mentioned,] and اـِدْحِىٌّ and ↓ أُدْحِيَّةٌ and ↓ أُدْحُوَّةٌ, (K,) The place of the laying of eggs, (S, K,) and of the hatching thereof, (S,) of the ostrich, (S, K,) in the sand; (K;) because that bird expands it, and makes it wide, with its foot, or leg; for the ostrich has no [nest such as is termed] عُشّ: (S:) pl. أَدَاحٍ (TA in the present art.) and اداحى [i. e., if not a mistranscription, أَدَاحِىٌّ, agreeably with the sing.]: (TA in art. دحى:) and ↓ مَدْحًى [likewise] signifies the place of the eggs of the ostrich. (S.) [Hence,] ↓ بِنْتُ أُدْحِيَّةٍ A female ostrich. (TA.) ― -b2- [Hence also,] الأُدْحِىٌّ and الاـِدْحِىٌّ (assumed tropical:) A certain Mansion of the Moon, (K, TA,) [namely, the Twenty-first Mansion, ] between the نَعَائِم and سَعْد الذَّابِح; [ more commonly ] called البَلْدَةُ: likened to the ادحّى of the ostrich. (TA.)