Definitions of broadside:

• noun:   the simultaneous firing of all the armament on one side of a warship
• noun:   the whole side of a vessel from stem to stern

  Example: "The ship was broadside to the dock"

• noun:   all of the armament that is fired from one side of a warship
• noun:   a speech of violent denunciation
• noun:   an advertisement (usually printed on a page or in a leaflet) intended for wide distribution
• verb:   collide with the broad side of
• adjective:   toward a full side

  Example: "A broadside attack"

• adverb:   with a side facing an object

  Example: "The train hit the truck broadside"