ס Samekh, the fifteenth letter of the Alphabet. It interchanges with שׂ, e.g. פָּרַס a. פָּרַשׂ, נָסָא a. נָשָׂא; a. fr.; with ז, q. v.; with צ, as סַוָּאר a. צַוָּאר.—ס preformative for Safel forms, as in סקבל, סרהב &c.