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.
References in classic literature ?
He had dropped the curved blade beneath the hides when he had been jerked so violently from their fancied security.
He brushed aside the frail weapon which was opposed to him, whirled up his great blade, sprang back to get the fairer sweep--and vanished into the waters of the Garonne.
The green warrior was much put to it to hold his own, and I felt that the unequal struggle could last but a moment longer when the huge fellow discovered my plight, and tearing himself from those that surrounded him, he raked the assailant from my back with a single sweep of his blade, and thus relieved I had little difficulty with the others.
A single sweeping circle of my own blade caught the flying weapon and hurled it clattering against the far wall, and then, as I sidestepped my antagonist's impetuous rush, I let him have my point full in the stomach as he hurtled by.
More and more weakly the torn and bleeding arm struck home with the long sharp blade, then the little figure stiffened with a spasmodic jerk, and Tarzan, the young Lord Greystoke, rolled unconscious upon the dead and decaying vegetation which carpeted his jungle home.
But if thou knowest him, my jolly blade, wilt thou go with me and bring me to him?
Throwing up his left arm as a boxer might ward off a blow, Tarzan struck upward beneath the left forearm of the lion, at the same time rushing in with his shoulder beneath the animal's body and simultaneously drove his blade into the tawny hide behind the shoulder.
It is not indeed silver-hilted, which, as you say, doth not become a soldier; but the handle is decent enough, and the blade one of the best in Europe.
nay he swore very heartily), "that the blade was taken from a French officer, of very high rank, at the battle of Dettingen.
And while he did this he kept looking about and watching what came into his view: at one moment he picked a wild berry and ate it or offered it to Levin, then he flung away a twig with the blade of the scythe, then he looked at a quail's nest, from which the bird flew just under the scythe, or caught a snake that crossed his path, and lifting it on the scythe as though on a fork showed it to Levin and threw it away.
Swinging his scythe just as ever, and moving his feet in their big, plaited shoes with firm, little steps, he climbed slowly up the steep place, and though his breeches hanging out below his smock, and his whole frame trembled with effort, he did not miss one blade of grass or one mushroom on his way, and kept making jokes with the peasants and Levin.
An' this littlish blade's broke, you see, but I wouldn't hev a new un put in, 'cause they might be cheatin' me an' givin' me another knife instid, for there isn't such a blade i' the country,--it's got used to my hand, like.