Definition of "broadside"

Broadside! What fools to face our guns!

2007 September 25, Bungie, Halo 3, v1.0, Microsoft Game Studios, Xbox 360, level/area: The Ark

Although slaveholders managed - through a combination of political compromise and ideological broadside - to contain the threat of a major anti-slavery compaign by fellow Southerners, planters could never be totally sure of non-slaveholders' loyalty to the social order.

1993, Peter Kolchin, American Slavery (Penguin History, paperback edition, 34)

Fernández's diplomatic broadside follows the British government's decision last month to name a large frozen chunk of Antarctica after the Queen – a gesture viewed in Buenos Aires as provocative.

2013 January 3, Luke Harding, Uki Goni, The Guardian‎

He delivered a broadside to the RMT leadership, saying: "This response to a significantly enhanced offer exposes their true priority - using the British public and NR workers as pawns in a fight with the Government.

2022 December 14, Mel Holley, “Network News: Strikes go on as RMT rejects RDG's "detrimental" offer”, in RAIL, number 972, page 9

[...] the slight fluctuations [in speed] were due to a strong side-wind, which caught the train broadside along exposed stretches of the line.

1964 June, Cecil J. Allen, “Locomotive Running Past and Present”, in Modern Railways, page 388

They were going some 60-80 mph [on a motorcycle] down a 30 mph street, hit a car broadside & Pat pushed against Bert, who was crushed into the side of the car.

1977-1980, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure