1. adjective /sɛˈmɪ.tɪk,səˈmɪ.tɪk/
a) Of or pertaining to a subdivision of Afro-Asiatic : Amharic, Arabic, Aramaic, Syriac, Akkadian, Hebrew, Maltese, Tigrigna, Phoenician etc.
b) Of or pertaining to the Semites: Semitic people.
2. noun /sɛˈmɪ.tɪk,səˈmɪ.tɪk/
The Semitic languages in general.
Wikipedia foundation.