<span class="bold large">Had.es</span> <span class="medium">|ˈhādēz|</span> <span class="sans">Greek Mythology</span><br/> <p class="paragraph">the underworld; the abode of the spirits of the dead.<br/> • the god of the underworld, one of the sons of <a href="#cronus">Cronus</a>. Roman equivalent <span class="bold caps">Pluto</span>.</p><br/> <br/> DERIVATIVES<br/> <span class="bold">Ha.de/an</span> <span class="medium">|ˈhādēən|</span> adjective<br/> <br/> ORIGIN from Greek <span class="bold italic">Haidēs</span>, of unknown origin.<br/> <br/> <span class="bold large">ha.de</span> <span class="medium">|hād|</span> <span class="sans">Geology</span><br/> noun<br/> the inclination of a mineral vein or fault from the vertical.<br/> <br/> verb [intrans.]<br/> (of a shaft, vein, or fault) incline from the vertical: <span class="italic">it was hading eighteen inches for every fathom in depth.</span><br/> <br/> ORIGIN late 17th cent.: perhaps a dialect form of the verb <span class="bold caps">head</span>.<br/>