The term blade may refer to the following:

  • the sharp cutting part of a tool or weapon
  • a type of stone tool in archeology, created by striking a long narrow flake from a stone core
  • a heavy, usually curved metal plate installed on the front of a bulldozer
  • leaf blade (or lamina), the flat part of a leaf
  • tongue blade, the portion just behind the tip of the tongue
  • a generalization of vectors in higher-dimensional vector spaces in geometric algebra
  • Blade server, a type of computer server designed to be modular and use minimal physical space and energy
  • Blade PC, a type of client PC also designed to be modular and use minimal physical space and energy