Webster’s Revised Unabridged Dictionary · 1913
Rudder
Rud′der, n. In an aircraft, a surface the function of which is to exert a turning moment about an axis of the craft.
Webster’s Revised Unabridged Dictionary · 1913
Rud′der, n. In an aircraft, a surface the function of which is to exert a turning moment about an axis of the craft.