Meaning of “blade” in the English Dictionary

"blade" in English

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bladenoun [ C ]

uk /bleɪd/ us /bleɪd/

blade noun [ C ] (FLAT PART)

B2 the flat part on a knife or similar tool or weapon, with a very thin edge used for cutting:

a sword with a steel blade
a packet of razor blades

a wide, flat part on a tool or machine, used to push back water or air:

a propeller blade

used in the names of other objects that are flat, thin, and sometimes long, like a blade

a long, narrow leaf of grass or a similar plant:

a blade of grass

the metal part on the bottom of an ice skate

specialized sports a curved device that a person who has lost part of a leg can attach to their body where the leg was, in order to be able to walk or run, for example in a race :

The blades, made from lightweight carbon fibre, store kinetic energy in a similar fashion to a spring and allow the athlete to run and jump.

More examples

blade noun [ C ] (MAN)

old use an attractive and confident young man:

a dashing young blade

(Definition of “blade” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"blade" in American English

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bladenoun [ C ]

us /bleɪd/

the thin, flat cutting part of a tool or weapon:

The blade on this knife isn’t very sharp.

A blade is also a thin, flat leaf of grass:

The boy made a whistle from a blade of grass.

(Definition of “blade” from the Cambridge Academic Content Dictionary © Cambridge University Press)