pap·y·ra·ceous adj \ˌpap-ə-ˈrā-shəs\
: of, relating to, or being the flattened remains of one of twin fetuses which has died in the uterus and been compressed by the growth of the other
Seen & Heard
What made you want to look up papyraceous? Please tell us where you read or heard it (including the quote, if possible).