(advertising) An individual broadcasting slot, such as a single televised advertisement.

plural of message unit

(computing) A message that causes processing to fail, and thus remains in the message queue and prevents processing of further messages.

plural of poison message

(Internet) a message sent to another, individual user of a social media or chat platform through a private channel as opposed to a publicly accessible area or chatroom.

(Internet) To send a private message.

simple past tense and past participle of private message

plural of private message

Third-person singular simple present indicative form of private message

the system for transmitting text messages on mobile phones