adj.
Pronunciation: ˌ h ī -p ə - ' j ē - ə l
Variant: or hy · po · ge · an \ - ' j ē - ə n \ or hy · po · ge · ous \ - ' j ē - ə s \
Function: adjective
Etymology: Late Latin hypogeus subterranean, from Greek hypogaios, from hypo- + gaia earth
Date: 1686
1 : growing or living below the surface of the ground
2 of a cotyledon : remaining below the ground while the epicotyl elongates