bom·bard 
(bŏm-bärd, bəm-)
(bŏm-bärd, bəm-)tr.v. bom·bard·ed, bom·bard·ing, bom·bards
1. To attack with bombs, shells, or missiles.
2. To assail persistently; harass: "[patients] bombarded with bewildering terms like 'managed competition' and 'risk selection'" (Carla Cantor). See Synonyms at barrage2.
3. To irradiate (an atom).
4. To attack with a cannon firing stone balls.
n. (bŏmbärd′)
An early form of cannon that fired stone balls.
[From Middle English, a bombard, from Old French bombarde, from Medieval Latin bombarda, probably from Latin bombus, a booming sound; see BOMB.]
bom·barder n.
bom·bardment n.