broadside には色々な意味があるが、舷側射撃（をする）、側面にぶつかる、だけの例を挙げておく。1:11 Hull waited waited waited at the guns until they were really close and then they were able to give a full broadside to Guerrière. コンスティチューション号のハル艦長はゲリエール号を十分にひきつけてから舷側砲の一斉射撃（片舷側の砲を一斉に発射）した。
The USS Constitution Earned its ‘Old Ironsides’ Moniker in Battle | Smithsonian
6:17 when you fire a broadside, it can move significantly. 主砲で舷側射撃をすると、艦は大きく動く。
Navy Admiral Rates 8 Navy Warship Battles In Movies | How Real Is It?
0:55 the Vasa's 64 guns could fire over 500 pounds of shot in a single broadside. スウェーデン海軍ヴァーサ号の64門の大砲は舷側からの一度の斉射で、230キロ以上の砲弾を発射できた。
Why This 17th-Century Warship Was a Disastrous Failure
0;18 last June, the USS Fitzgerald a destroyer that's part of the US Seventh Fleet in the Pacific, was broadsided off the coast of Japan by a massive container ship. 第七艦隊のミサイル駆逐艦フィッツジェラルドは日本近海で大型コンテナ船に側面衝突された。
Harsh legal charges for U.S. Navy ship collisions send tough message
0:26 ... when they were broadsided by a wall of mud. 土石流に車の側面を直撃された。
California interstate turned into a muddy lake
参考リンク
http://bridge-english.blogspot.com/2015/07/blog-post_28.html 側面衝突を英語でなんと言うか？
