ZTR Views 6 meanings found ZTR is best known in equipment terminology for zero‑turn‑radius machines, while it also appears as a financial fund name, a unit of weight, and a geographic abbreviation for a Russian locale. Governmental Zero Turning Radius International Zentner Regional Zhitomir, Russia Computing SymbianWare OHG Tracker Skin Business Zweig Total Return Fund, Inc. Zetar, P.L.C. (de-listed)