a.1.(Geol.) Formed by the joint action of a river and the sea, as deposits at the mouths of rivers.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Recent sedimentological analyses from multiple Gondwana basisn of India suggested strong influence of marine wave and tide on fluvial sedimentation during the deposition of middle-upper Barakar succession [8-10], indicating a fluvio-marine interactive deltaic/estuarine depositional setting.