Entry 1 sense Webster, 1913 Interconnection /ĭnˌ-tẽrk-ən-ĕk'-shən/ · In·ter·con·nec·tion · IPA /ˌɪn.tɚ.kəˈnɛk.ʃən/ 01 n. Connection between; mutual connection. 1. Connection between; mutual connection.