ˌt(y)übəˈrāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Tuber, type genus + -aceae
: a family of ascomycetous fungi (order Tuberales) having ascocarps that resemble tubers and vary in size from that of an acorn to that of a large apple and bearing asci in a wholly enclosed hymenial layer — see truffle , tuber 2
• tu·ber·a·ceous | ̷ ̷ ̷ ̷|rāshəs adjective