Peipus

geographical name
Pei·​pus | \ ˈpī-pəs How to pronounce Peipus (audio) \
variants: or Estonian Peipsi \ ˈpāp-​sē How to pronounce Peipsi (audio) \ or Russian Chudskoe \ chüt-​ˈskȯ-​yə How to pronounce Chudskoe (audio) , -​ˈskȯi-​(y)ə \

Definition of Peipus

lake in Europe between Estonia and Russia area 1390 square miles (3600 square kilometers)