جأل جَيْأَلُ The ضَبُع [or female hyena]; (S, K;) a name thereof, of the measure فَيْعَلُ, determinate without ال (S,) imperfectly decl.; (K;) as also ↓ جَيْأَلَةُ, (S, K,) accord. to Ks; (S;) and جَيَلُ, without ء, (S, K,) the ى not being changed into ا as in نَابٌ and the like because the ء, though literally suppressed, is considered as though meant to be retained, and because the ى is considered as though meant to be quiescent; (Aboo-'Alee the grammarian, S, TA;) and الجَيْأَلُ, (K,) like the first, but with ال. (TA.) b2:  Also, الجَيْأَلُ, accord. to Ibn-Es-Seed, The wolf: but MF deems this strange. (TA.) جَيْأَلَةُ: see above.