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throw open

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throw open

Make more accessible, especially suddenly or dramatically, as in His withdrawal threw open the nomination to all comers. [Mid-1800s]

See also: open, throw

throw open

v.

To make more accessible, especially suddenly or dramatically: The director threw open the door and walked in. After years of meeting with the city council in private, the mayor threw the meetings open to the public.

See also: open, throw