You can find definition of epoch below. Words can have several meanings depending on the context. Their meaning may vary depending on where they are used. Please choose approriate definition according to part of speech and context. We have found 3 different definitions of epoch. epoch is a 5 letter word. It starts with e and ends with h.
a period marked by distinctive character or reckoned from a fixed point or event
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
a unit of geological time that is a subdivision of a period and is itself divided into ages