n.
Pronunciation: ( ˌ )b ī - ' mi-l ə - ˌ ner- ē , - ˌ ne-r ē , ˌ b ī -m ə - ' le-n ə -r ē
Variant: or bi · mil · len · ni · al \ ˌ b ī -m ə - ' le-n ē - ə l \
Function: noun
Date: 1850
1 : a period of 2000 years
2 : a 2000th anniversary
– bimillenary adjective