From WordNet (r) 3.0 (2006):
bombardment
n 1: the rapid and continuous delivery of linguistic
communication (spoken or written); "a barrage of
questions"; "a bombardment of mail complaining about his
mistake" [syn: barrage, bombardment, outpouring,
onslaught]
2: the heavy fire of artillery to saturate an area rather than
hit a specific target; "they laid down a barrage in front of
the advancing troops"; "the shelling went on for hours
without pausing" [syn: barrage, barrage fire, battery,
bombardment, shelling]
3: the act (or an instance) of subjecting a body or substance to
the impact of high-energy particles (as electrons or alpha
rays)
4: an attack by dropping bombs [syn: bombing, bombardment]