أَلْفٌ
Root: الف
Full Definition
أَلْفٌ
, meaning A certain number, well known, i. e. a certain round number, [namely a thousand,] is of the masc. gender: you say ثَلَاثَةُ آلَافٍ [Three thousand], not ثَلَاثَ آلَافٍ; and هٰذَا أَلْفٌ وَاحِدٌ [This is one thousand], not وَاحِدَةٌ; and أَلْفٌ أَقْرَعُ, [A complete thousand], not قَرْعَآءُ: it is not allowable to make it fem.: so say IAmb and others: or it is allowable to make it fem. as being a pl.: or, accord. to ISK, it is allowable to say, هٰذِهِ أَلْفٌ as meaning هٰذِهِ الدَّرَاهِمُ أَلْفٌ [These dirhems are a thousand]; and Fr and Zj say the like: the pl. is آلُفٌ, applied to three, and آلَافٌ, applied to a number from three to ten, inclusively, and أُلُوفٌ, used to denote more than ten; and الأَافُ [in the TA الأَلَفُ] is used by poetic licence for الآلَافُ, by suppression of the [radical] ل