1. Unsolicited e-mail, often of a commercial nature, that is sent out to a wide range of groups, individuals, etc., typically unsolicited and which may be for fraudulent purposes: Janine was getting fed up with the spam in her e-mails so she arranged to get a special program to control it.

In the early 1990s, a new definition of spam come into existence which refers to unwanted internet advertising in e-mails sent to a large number of people which are primarily produced for commercial advertising or marketing reasons.

Unfortunately, the lack of unenforceable rules on the internet also makes it a perfect place for spam or fraud to cause anger for many users.

2. Etymology: since 1937, spam has been used to mean "canned meat" which was named because it included a combination of the words spiced and ham.

1. To send unwanted and unsolicited junk e-mail; often as an advertisement, to many people: Anyone who spams people on the internet, usually tries to trick the recipients into providing private and personal information in order to steal money from them.
2. To post a message many times to a newsgroup, or an inappropriate message that is sent to multiple newsgroups and individuals on websites: Zelda didn't realize that an offer of sharing money from an unknown person, who was spamming her, was a trick to get her money.

Everyday there is someone who spams with e-mails over and over again and all of us should avoid opening such messages.