occurring every second year

occurring every second year

an interior door that opens by folding back in sections (rather than by swinging on hinges)

an interior door that opens by folding back in sections (rather than by swinging on hinges)

an interior door that opens by folding back in sections (rather than by swinging on hinges)

an ecumenical organization of Protestant and eastern churches; intended to promote unity and cooperation in religious and secular matters

an ecumenical organization of Protestant and eastern churches; intended to promote unity and cooperation in religious and secular matters

an ecumenical organization of Protestant and eastern churches; intended to promote unity and cooperation in religious and secular matters

an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government)

an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government)