اسل

2 أسّلهُ ذ He made it (an iron thing) thin. (TA.) [ He made it (anything) sharp, or pointed. (See the pass. part. n., below.)] ― -b2- أسّل المَطَرَ, inf. n. تَأْسِيلٌ, The rain moistened to the measure of the أَسَلَة [or thin part ] of the arm. (K.) When it has moistened to the measure of the عَظَمَة [or thick part] of the arm, you say of it عَظَّمَ, inf. n. تَعْظِيمٌ: one says, كَيفَ كَانَتْ مَطْرَتُكُمْ أَسَّلَتْ أَمْ عَظَّمَتْ [ How was your rain? Did it moisten to the measure of the thin part of the arm, or did it moisten to the measure of the thick part thereof? ]. (TA.) And أسّل الثَّرَى, (TA,) or ↓ أَسَلَ, (M, [so in a copy of that work, but probably a mistranscription,]) The moisture reached to the measure of the أَسَلَة. (M, TA.)