Definition of: blade

(blād) noun
1. The flat, cutting part of any edged tool or weapon.
2. The thin, flat part of any instrument or utensil, as of an oar, screw propeller, plow, etc.
3. Bot. The leaf of grasses or certain other plants, especially, a leaf of Indian corn.
4. A rakish young man; wild, reckless fellow.
5. A swordsman; also, a sword.
6. Phonet. The upper flat part of the tongue immediately behind the tip and directly below the alveolar ridge.
7. The expanded or broad flat part of a leaf, petal, etc.; the lamina.
8. Anat. The shoulder blade or scapula. [OE blœd blade of a oar or sword]
—blad′ed adjective