Save Type Surname (from location) Usage Japanese Scripts 横溝(Japanese Kanji) Pronounced Pron. YO-KO-MEE-ZO [key] Meaning & History 横 (Yoko) means "beside" and 溝 (mizo) means "groove, trench, gutter, gully, drain, ditch, gap". A notable bearer is Seishi Yokomizo, a Japanese novelist in the Showa Period.