hypogeal Hear it!

hypogeal Definition

hypo·geal (hī′pō jē′əl, hip′ō-)

adjective

  1. of, or occurring in, the region below the surface of the earth
    1. Bot. growing or maturing underground, as peanuts or truffles: said esp. of cotyledons
    2. Zool. burrowing, living, or developing beneath the ground, as certain insect larvae

Etymology: < LL hypogeus, underground (< Gr hypogaios < hypo-, under + gē, earth) + -al

Also hypogean hy′po·ge′an