the flat cutting edge of a knife, saw, or other tool or weapon, the flat part of a leaf, especially the leaf of grass, a long, narrow leaf of a plant, especially a cereal

put your shoulder to the wheel/blade, on the cutting edge/blade, a double-edged sword/blade

razor blade, blade of grass, blade of a knife

Formal and Informal Expressions of blade

In different contexts, you can replace 'blade' with suitable alternatives. In a more formal setting, 'edge, cutting edge' is apt. In informal speech or writing, 'cutter, sharp thing' is a commonplace synonym.

blade: Explore its Definition & Usage

blade Definition

1the flat cutting edge of a knife, saw, or other tool or weapon
2the flat part of a leaf, especially the leaf of grass
3a long, narrow leaf of a plant, especially a cereal

Using blade: Examples

Take a moment to familiarize yourself with how "blade" can be used in various situations through the following examples!

Example
He sharpened the blade of his knife.
Example
The blade of the sword gleamed in the sunlight.
Example
The blades of grass were wet with dew.
Example
The combine harvester cut through the field of wheat with its blades.

blade Synonyms and Antonyms

Synonyms for blade

edge
sword
cutter
cutting edge
knife edge

Antonyms for blade

Idioms Using blade

put your shoulder to the wheel/blade
to work hard and make a great effort to achieve something
Example
We need to put our shoulders to the wheel if we want to finish this project on time.
on the cutting edge/blade
at the forefront of new developments or trends
Example
The company is always on the cutting edge of technology.
a double-edged sword/blade
something that has both advantages and disadvantages
Example
Social media can be a double-edged sword, providing both connection and distraction.

Phrases with blade

razor blade
a small, thin, sharp-edged metal strip used for shaving
Example
He cut himself while changing the razor blade.
blade of grass
the flat part of a leaf of grass
Example
The blades of grass were covered in dew.
blade of a knife
the sharp edge of a knife
Example
He carefully sharpened the blade of his knife.

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Summary: blade in Brief

The term 'blade' [bleɪd] refers to the flat cutting edge of a tool or weapon, such as a knife or sword. It also denotes the flat part of a leaf, particularly of grass, and a long, narrow leaf of a plant. Phrases like 'razor blade' and 'blade of grass' are common, while idioms like 'put your shoulder to the wheel/blade' and 'on the cutting edge/blade' express hard work and innovation, respectively.