That which naturally invests or covers another thing,
as the testa or the tegmen of a seed; specifically (Anat.), a covering
which invests the body, as the skin, or a membrane that invests a
particular.
1. Without tune; inharmonious; unmusical. " Thy tuneless serenade." Cowley. How often have I led thy sportive choir, With tuneless pipe, beside the murmuring Loire! Goldsmith. 2. Not...