tréfoncier

== French == === Pronunciation === IPA(key): /tʁe.fɔ̃.sje/ Rhymes: -je === Adjective === tréfoncier (feminine tréfoncière, masculine plural tréfonciers, feminine plural tréfoncières) (relational) subsoil === Noun === tréfoncier m (plural tréfonciers, feminine tréfoncière) owner of the soil and subsoil === References === Spiers and Surenne's French and English Pronouncing Dictionary “tréfoncier”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012