1. the state of being linked together as in a chain; union in a linked series • Derivationally related forms: concatenate • Hypernyms: connection, link, connectedness 2. the linking together of a consecutive series of symbols or events or ideas etc - it was caused by an improbable concatenation of circumstances • Hypernyms: connection, connexion, connectedness 3. a series of things depending on each other as if linked together - the chain of command - a complicated concatenation of circumstances • Syn: chain • Derivationally related forms: catenulate (for: chain), catenate (for: chain) • Hypernyms: series • Hyponyms: catena, daisy chain 4. the act of linking together as in a series or chain • Derivationally related forms: concatenate • Hypernyms: joining, connection, connexion