Meaning of BLADE in English

BLADE

I. ˈblād noun

( -s )

Etymology: Middle English, from Old English blæd; akin to Old High German blat leaf, Old Norse blath, Latin folium, Greek phyllon leaf, Old English blōwan to blossom — more at blow

1.

a. : a leaf of a plant ; especially : a leaf of an herb or more narrowly of a grass

blades of stunted grass

b. chiefly Scotland : a leaf that is broad and flat

a blade of rhubarb

c.

(1) : the expanded portion of a leaf or a plant organ resembling a leaf : lamina 2b( 1 ) — distinguished from petiole

(2) : the broad terminal part of certain petals — distinguished from claw

2. : an object or part of an object resembling the blade of a leaf especially in broadness and flatness: as

a. : the broad flattened part of an oar or paddle that exerts force against the water to propel a boat

b. : something with an action basically similar to that of the blade of an oar: as

(1) : a fluke of a whale

(2) : a float of a paddle wheel

(3) : an arm of a screw propeller, centrifugal fan, or steam turbine

(4) : an airfoil used as a propeller to produce thrust or as a part of the lift-producing system of a rotary-wing aircraft

c. : a broad flat bone (as one of the rami of a mandible) ; specifically : scapula — now used chiefly in naming cuts of meat

a blade chop

— see beef illustration

d. : a piece of mace

e. : the part of the arm of an anchor behind the palm

f. : the expanded rear portion of the comb of a single-comb fowl — see cock illustration

g. : the striking surface of a golf club or a hockey stick

h. phonetics

(1) : the portion of the tongue immediately behind the tip and lying approximately opposite the teethridge when the tongue is at rest

(2) : this portion of the tongue together with the tip

i. : the light-obstructing portion of the shutter of a camera

j. : an inclined metal slab that functions as an ink reservoir in the fountain mechanism of a printing press

k. : the broad, flat, or concave part of a road grader, bulldozer, or snowplow that comes into direct contact with the material to be moved

3. : an object or part of an object resembling a blade of grass: as

a. : the cutting part of an instrument

the blade of a sword

well-set saw blades

b. : an edged instrument: as

(1) : sword

(2) : a stone tool similar to a knife and having one or more sharp cutting edges

c. : the runner of an ice skate

d. : the long arm of a T square or carpenter's square

e. : a single plate of baleen from a right whale

f. : one of the movable conducting bars of an electrical switch

g. : a slat especially in a venetian blind, louver, or shutter

4. : a human being:

a. : swordsman

b. : a sharp-witted, dashing, wild, or reckless fellow

such a gay blade of a fellow

c. : woman

the old blade shouldn't last much longer

5. : one of the principal rafters of a roof

II. verb

( -ed/-ing/-s )

Etymology: Middle English bladen, from blade, n.

transitive verb

1. : to furnish with a blade

2. chiefly Scotland : to pluck leaves from (a plant)

blading cabbages for market

3. : to remove (as gravel or dirt) with machinery having a blade (as a grader or bulldozer)

intransitive verb

1. : to leaf out : put forth leaves

2. : to remove typically gravel, dirt, or muck with machinery having a blade

III. adjective

Etymology: blade (I)

of speech sounds : articulated with or involving the participation of the blade of the tongue

s and z are blade consonants

IV. intransitive verb

( -s )

: to skate on in-line skates

• blad·er -ər noun

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.