معنی کلمه :‌ sheldrake

Any one of the American mergansers.

Denoting usual or customary action. "The usitative aorist." Alford.

Any one of several species of large Old World ducks of the genus Tadorna and allied genera, especially the European and Asiatic species. (T. cornuta, / tadorna), which somewhat resembles a goose in form and habit, but breeds in burrows.