कोलतार मतलब [सं-पु.] - एक काला और गाढ़ा द्रव जो कोयले से बनाया जाता है; तारकोल; डामर।
Here is meaning of Koltar in hindi. Get definition and hindi meaning of Koltar. What is Hindi definition and meaning of Koltar ? (hindi matlab - arth kya hai?).