BLADE n. 2 definitions
Properly, the leaf, or flat part of the leaf, of any plant, especially of gramineous plants. The term is sometimes applied to the spire of grasses. The crimson dulse . . . with its waving blade. Percival. First the blade, then ear, after that the full corn in the ear. Mark iv. 28.
BOAT n.
Hence, any vessel; usually with some epithet descriptive of its use or mode of propulsion; as, pilot boat, packet boat, passage boat, advice boat, etc. The term is sometimes applied to steam vessels, even of the largest class; as, the Cunard boats.