Meaning of BROADSIDE in English
I. broad ‧ side 1 /ˈbrɔːdsaɪd $ ˈbrɒːd-/ BrE AmE noun [countable]
1 . a strong criticism of someone or something:
Can the government survive this latest broadside from its own supporters?
2 . an attack in which all the guns on one side of a ship are fired at the same time
II. broadside 2 BrE AmE adverb
with the longest side facing something SYN sideways
I brought the boat in broadside to the beach.
III. broadside 3 BrE AmE verb [transitive]
especially American English to crash into the side of another vehicle
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012