What is Spam?
Spam definition and meaning on Dictionary terms:
a canned food product consisting especially of pork formed into a solid block.
(lowercase) Digital Technology. disruptive online messages, especially commercial messages posted on a computer network or sent as email (often used attributively): Install spam blocker software and keep your email spam filters updated to protect your accounts from unsolicited spam.
(lowercase) Digital Technology. (of promotional content on the Internet) irrelevant or misdirected: The search engine delivered spam websites that had nothing to do with my keywords.