moho Meaning, Definition & Usage

  1. noun the boundary between the Earth's crust and the underlying mantle
    Mohorovicic discontinuity.
    • the Mohorovicic discontinuity averages 5 miles down under oceans and 20 miles down under continents

WordNet

Mo"ho noun
Etymology
Native name.
Definitions
  1. (Zoöl.) A gallinule (Notornis Mantelli) formerly inhabiting New Zealand, but now supposed to be extinct. It was incapable of flight. See Notornis.

Webster 1913