(UK) A prison with minimal restrictions on the prisoners.

Being present during a public court session.

An open hearth furnace (open-hearth furnace). / A home hearth comprising a hearthstone alone, as opposed to one comprising a hearthstone and fireplace or oven.

Alternative form of open-hearth (open compound attributive form)

plural of open hearth

(of a vehicle) Synonym of open-top.

Alternative form of opencast

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