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late 14c., from Old French comunicacion (14c., Modern French communication), from Latin communicationem (nominative communicatio), noun of action from past participle stem of communicare "to share, divide out; communicate, impart, inform; join, unite, participate in," literally "to make common," from communis (see common (adj.)).
communication com·mu·ni·ca·tion (kə-myōō'nĭ-kā'shən)
The exchange of thoughts, messages, or information, as by speech, signals, writing, or behavior.
An opening or a connecting passage between two structures.
A joining or connecting of solid fibrous structures, such as tendons and nerves.