كظر1 كَظَرَ القَوْسَ, (K,) aor. ـُ (TK,) inf. n. كَظْرٌ, (TA,) He made to the bow a كُظْر, or notch to receive the ring of the string. (K.) b2:  كَظَرَ الزَّنْدَةَ, (K,) inf. n. as above, (TA,) He cut in the [piece of wood called] زندة a notch [from which to produce fire]. (K.) كُظْرُ القَوْسِ The notch in the curved extremity of the bow, in which is the string; (As, S;) the notch of the bow, into which falls the ring of the string: (A, K:) pl. [of pauc.] أَكْظَارٌ (A) and [of mult.] كِظَارٌ and كِظَارَةٌ. (TA.) b2:  كُظْرُ الزَّنْدَةِ The notch [from which the fire is produced] in the [piece of wood called] زندة. Yousay النَّارُ تَسِيلُ مِنْ كُظْرِ الزَّنْدَةِ Fire flows from the notch of the زندة. (A.) كِظْرٌ The piece of sinew which is tied upon the base of the notch of an arrow. (IDrd, K.)