[hy.po.caust] n [L hypocaustum, fr. Gk hypokauston, fr. hypokaiein to light a fire under, fr. hypo- + kaiein to burn] (1678): an ancient Roman central heating system with underground furnace and tile flues to distribute the heat
HYPOCAUST
Meaning of HYPOCAUST in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012