סְמִיכְתָּא, (סְמַךְ) solid, thick. Ber. 25ᵇ דדמו כארעא ס׳ which is legally to be considered like solid earth. B. Bath. 20ᵃ בס׳ when the material of the rag is very thick. Taan. 9ᵇ עיבא ס׳ a heavy cloud, opp. קלישא.