Valve´-shell`n.1.(Zool.) Any fresh-water gastropod of the genus Valvata.Webster’s Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
Valve´-shell`n.1.(Zool.) Any fresh-water gastropod of the genus Valvata.Webster’s Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.