blade

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blade

1. the flattened expanded part of a leaf, sepal, or petal
2. the long narrow leaf of a grass or related plant
3. Archaeol a long thin flake of flint, possibly used as a tool
4. short for shoulder blade

blade

[blād]
(botany)
The broad, flat portion of a leaf. Also known as lamina.
(electricity)
A flat moving conductor in a switch.
(engineering)
A broad, flat arm of a fan, turbine, or propeller.
The broad, flat surface of a bulldozer or snowplow by which the material is moved.
The part of a cutting tool, such as a saw, that cuts.
(vertebrate zoology)
A single plate of baleen.

blade

1. The flat metal surface of a trowel with which plaster is applied.
2. The cutting part of a knife, plane, etc.
3. The broad, slightly concave surface of a bulldozer, or the like, which pushes the material being moved.
4. One of the principal rafters of a roof.
5. To remove, spread, or level a material such as dirt, or gravel by the use of a grader.

blade

i. A rotating airfoil driven by a helicopter engine to produce vertical lift. Also called a rotor blade.
ii. A rotating airfoil driven by an aircraft engine to produce a thrust force approximately in line with the longitudinal axis of the aircraft. Also called a propeller blade. It is restricted to that part of a propeller arm or of a rotating wing from the shank outward (i.e., that part having an efficient airfoil shape that cleaves the air). See propeller.
iii. A rotating airfoil that is a part of a compressor in a gas turbine engine. Also called a compressor blade.

blade

One component in a system that is designed to accept some number of components (blades). Blades can be individual servers or clients that plug into a single cabinet or individual port cards that add connectivity to a switch. A blade is typically a hot swappable hardware device, but a software architecture could use the blade terminology as well. See blade server and blade PC.