Entry 1 sense Webster, 1913 Congeries /kông'-jər-ēzˌ/ · Con·ge·ri·es · IPA /ˈkɑːnd͡ʒəɹiːz/ 01 n. sing. & pl. A collection of particles or bodies into one mass; a heap; an aggregation. 1. A collection of particles or bodies into one mass; a heap; an aggregation.