ابط

اـِبْطٌ أبط اـبط ابط بط [The armpit; ] the inner side of the shoulderjoint: (ISd, K:) or the part beneath the جَنَاح [which signifies the arm, upper arm, armpit, and wing, &c.]: (S, Msb:) also written ↓ اـِبِطٌ; (Msb, K;) which is said to be a dial. var. by some of the moderns; but this is strange, on account of what is said respecting اـِبِلٌ; (Msb;) for Sb says that there are only two substs. of the measure فِعِلٌ, which are اـِبِلٌ and حِبِرٌ; and one epithet, namely بِلِزٌ: other instances have been mentioned, but their transmission from Sb is not established: (Msb. in art. ابل:) it is also said that there is no other word like اـِبِلٌ; but this means, in its original form, and does not deny that there are words like it by the insertion of a second vowel like the first, such as this and many other words: (TA:) [see also اـِبِدٌ:] it is fem.; (Mgh;) or masc. and fem.; (S, Msb;) sometimes the latter; (Lh, K;) but the making it mase. is more approved: (TA:) Fr cites, from certain of the Arabs, the phrase, (S,) فَرَفَعَ السَّوْطَ حَتَّى بَرَقَتْ اـِبْطُهُ [ And he raised the whip so that his armpit shone ]: (S, Msb:) the pl. is اآبَاطٌ. (S, Msb, K.) ― -b2- [Hence,] ضَرَبَ اآبَاطَ الأُمُورِ وَمَغَابِنَهَا (tropical:) [ He hit the secret and occult particulars of the affairs ]. (A, TA [followed by the words وَ ا@شْتَقَّ ضَمَائِرَهَا وَبَوَاطِنَهَا, a pleonastic addition, merely explaining what goes before.]) ― -b3- And ضَرَبَ اآبَاطَ المَفَازَةِ (tropical:) [ He traversed the recesses of the desert ]. (TA.) ― -b4- And اـِبْطُ جَبَلٍ (assumed tropical:) The foot, or bottom, or lowest part, (سَفَحْ,) of a mountain. (TA.) ― -b5- And اـِبْطُ رَمْلٍ (assumed tropical:) The place where the main body of sand ends: (S:) or what is thin, of sand: (K:) or the lowest part of an oblong tract of sand collected together and elevated, where the main body thereof ends, and it becomes thin. (TA.) ― -b6- And اـِبعطُ الشِّمَالِ (assumed tropical:) Evil fortune; ill luck. (TA.)