مِخْدَاجٌ
and
ذَاتُ خِدَاجٍ [A she-camel that usually casts her young before the completion of the days of gestation, even if completely formed: (see 1:) or] a she-camel that usually brings forth her young imperfectly formed, (A, TA,) even if at the proper time, (A,) or before the proper time: (TA:) or that usually brings forth her young completely formed before the proper time of bringing forth. (TA.)