n.
Pronunciation: ' ek-s ə -dr ə
Function: noun
Inflected Form: plural -drae \ - ˌ dr ē , - ˌ dr ī \
Etymology: Latin, from Greek, from ex- + hedra seat ― more at SIT
Date: 1659
1 : a room (as in a temple or house) in ancient Greece and Rome used for conversation and formed by an open or columned recess often semicircular in shape and furnished with seats
2 : a large outdoor nearly semicircular seat with a solid back