1. act of communicating; transmission.
a.The exchange of thoughts, messages, or information, as by speech, signals, writing, or behavior.
b. Interpersonal rapport.
2. communications (used with asing. or pl. verb)
a. The art and technique of usiwords effectively to impart information or ideas.
b. The field of study concerned with the transmission of information by various means, such as print or broadcasting.
c. Any of various professions involved with the transmission of information, such as advertising, broadcasting, or journalism.
3. Something communicated; a message.
4. communications A means of communicating, especially:
a. A system, such as mail, telephone, or television, for sending and receiving messages.
b. A network of routes for sending messages and transporting troops and supplies.