(historical) A Canadian democratic socialist political party active between 1932 and 1961 which served as the predecessor of the New Democratic Party.

Alternative form of opencast

Synonym of d'Alembert operator

Synonym of d'Alembert operator

present participle of open a can of whoop ass

plural of open defecation

(public health) The human practice of defecating outside rather than into a toilet

Of, or pertaining to the outside or outdoors

plural of open-plan kitchen

present participle of open Pandora's box