An area of land where truffles are found, especially one that has been cultivated to produce truffles; a truffle ground or plantation. Compare earlier truffle bed.
Origin
Early 19th century. From French truffière from truffe + -ière, feminine form corresponding to -ier.
Definition of truffière in US English:
truffière
nounˌtruːfɪˈɛː
An area of land where truffles are found, especially one that has been cultivated to produce truffles; a truffle ground or plantation. Compare earlier truffle bed.
Origin
Early 19th century. From French truffière from truffe + -ière, feminine form corresponding to -ier.