belowground

/bɪˈloʊˌɡraʊnd/
adjective
  1. Located or occurring beneath the surface of the ground.
    • Many animals, like moles and worms, live in belowground tunnels.
    • The belowground parking garage can hold up to 200 cars.
    • The belowground roots of the tree spread far beyond its branches.
Antonyms
adverb
  1. Beneath the surface of the ground.
    • The pipes run belowground to keep them from freezing in winter.
    • The bunker was built belowground to protect against bombs.
    • Some plants store energy belowground in their bulbs.
What does "belowground" mean? | whatsthatwordmean | whatsthatwordmean