ˈfish(ē)ə, -isēə noun
Usage: capitalized
Etymology: New Latin, from Greek physkē large intestine, sausage + New Latin -ia; akin to Greek physa bellows
: a genus (the type of the family Physciaceae) of usually foliaceous grayish ascolichens with brown 2-celled ascospores and a distinct cortical tissue of short closely united and interwoven filaments
• phy·sci·oid -ēˌȯid adjective