I. spam 1 /spæm/ BrE AmE verb ( past tense and past participle spammed , present participle spamming ) [intransitive and transitive]
[ Date: 1900-2000 ; Origin: Probably from Spam ]
to send the same message to many different people using email or the Internet, usually as a way of advertising something – used to show disapproval
—spamming noun [uncountable]
—spammer noun [countable]
II. spam 2 BrE AmE noun [uncountable]
email messages that a computer user has not asked for and does not want to read, for example from someone who is advertising something:
You can filter out spam with special software.