Bombardment

to attack or batter with artillery fire.
to attack with bombs.
to assail vigorously:
to bombard the speaker with questions.
Physics. to direct high energy particles or radiations against:
to bombard a nucleus.
the earliest kind of cannon, originally throwing stone balls.
Nautical, bomb ketch.
an English leather tankard of the 18th century and earlier, similar to but larger than a blackjack.
Obsolete. a leather jug.
Contemporary Examples

Lebanon’s Dangerous Power Struggle Christopher Dickey January 24, 2011
Path To Paradise? Orly Halpern November 20, 2012
Who Is Behind Gaza’s Mass Execution? Jesse Rosenfeld July 31, 2014
Under American Bombs in Gaza Jesse Rosenfeld August 3, 2014
Ex-Gaddafi Stronghold Surrenders to Pro-Government Forces Jamie Dettmer October 23, 2012

Historical Examples

The Story of the Great War, Volume III (of VIII) Various
The Story of the Great War, Volume III (of VIII) Various
The Franco-German War of 1870-71 Count Helmuth, von Moltke
The Story of the Great War, Volume III (of VIII) Various
The Ultimate Weapon John Wood Campbell

verb (transitive) (bɒmˈbɑːd)
to attack with concentrated artillery fire or bombs
to attack with vigour and persistence: the boxer bombarded his opponent with blows to the body
to attack verbally, esp with questions: the journalists bombarded her with questions
(physics) to direct high-energy particles or photons against (atoms, nuclei, etc) esp to produce ions or nuclear transformations
noun (ˈbɒmbɑːd)
an ancient type of cannon that threw stone balls
n.
v.