blades

Noun

blade (plural blades)

1. The (typically sharp-edged) part of a knife, sword, razor, or other tool with which it cuts.
   • Sword. — The blade is straight, tapers gradually, is 32 9/16 inches long from shoulder to point, and is fullered on both sides, commencing 2 inches from the shoulder, to about 17 inches from the point, to a thickness of ·035 inch.1904, Great Britain. War Office, Dress Regulations for the Officers of the Army (including the Militia): 1904, page 100
   1. (metonymically) A sword or knife.
      • Paul: Give the Harkonnen a blade and let him stand forth.
      • Shaddam IV: If Feyd wishes, he can meet you with my blade in his hand.1984, 2:08:29 from the start, in Dune (Science Fiction), →OCLC
2. The flat functional end or piece of a propeller, oar, hockey stick, chisel, screwdriver, skate, etc.
   • Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.2013 July-August, Lee S. Langston, “The Adaptable Gas Turbine”, in American Scientist
3. The narrow leaf of a grass or cereal.
4. The thin, flat part of a plant leaf, attached to a stem (petiole).

   Synonyms:

   lamina

5. A flat bone, especially the shoulder blade.

See all 32 meanings of blade