رضع

رَاضِعَةٌ ذ A central incisor when it falls out: (Msb:) or the رَاضِعَتَانِ are the two central incisors (S, Msb, K, TA) of a child, (S K, TA,) over which the milk is drunk [or sucked ]: (Msb, TA:) pl. رَوَاضَعُ: (S, Msb, K:) or the رَوَاضِع are the teeth of a child that grow and then fall out in the period of sucking; (Msb, * TA;) and they are said to be six in the upper part of the mouth and six in its lower part: (TA:) [the pl. is applied to all the milk-teeth of a child, and of a horse &c.; it applies to the teeth called رَبَاعِيَات that fall out, as well as to the ثَنَايَا, or central incisors, accord. to AO, in a passage relating to a colt, in his كتاب الخيل quoted in the TA in art. حفر; and to the teeth called قَوَارِح that fall out, accord. to a passage in the S, voce أَحْفَرَ, q. v., as well as the extract from the work of AO mentioned above, and in this case likewise relating to a colt.]