hi·er·o·gram·mat \ˌhī(ə)rəˈgramət, -ˌmat\noun orhi·er·o·gram·mate\-_mət, -ˌmāt\ (-s) Etymology: Greek hierogrammateus, from hier- + grammateus scribe, from grammat-, gramma letter, writing — more at grammar : a writer of sacred records especially in hieroglyphics