moho

• ⇰ A gallinule (<spn>Notornis Mantelli</spn>) formerly inhabiting New Zealand, but now supposed to be extinct. It was incapable of flight. See Notornis>.
• ⇰ The boundary between the earth's crust and the semiliquid mantle beneath. It varies in depth from 3 miles beneath the surface at certain points in the ocean to over 25 miles under certain parts of continents.