blade

Everyday

1. A blade is the flat, sharp cutting part of a knife, scissors, a saw or a sword. tree →
2. A blade of grass is one long thin leaf of grass. tree →
3. A blade is a flat part that spins or pushes, like on a fan, a propeller or an oar. tree →
4. The blade of an ice skate is the thin metal strip you glide on. tree →

In the lessons

In safety lessons blades are things to handle with care: carry knives point down, pass scissors handle first, keep fingers away from fan and mower blades. In science, wind turbine blades turn in the wind to make electricity. In stories a blade can mean a sword. Phrases: a sharp blade, razor blade, blade of grass, shoulder blade.

Examples

• Always keep your fingers away from the blade. tree →
• The knife has a sharp steel blade. tree →
• A single blade of grass was wet with dew. tree →
• The fan's blades spun faster and faster. tree →
• Her skate blades scraped across the ice. tree →
• The wind turbine has three huge blades. tree →
• The knight drew his blade from its sheath. tree →

Note

Countable: one blade, two blades. "Shoulder blade" is a flat bone in your back, not something sharp. A dull blade can be more dangerous than a sharp one because you push harder and it slips. Never touch a blade on a machine that is plugged in or running.

In Jewish tradition

In safety lessons blades are things to handle with care: carry knives point down, pass scissors handle first, keep fingers away from fan and mower blades. In science, wind turbine blades turn in the wind to make electricity. In stories a blade can mean a sword. Phrases: a sharp blade, razor blade, blade of grass, shoulder blade.

Examples

• Then let my shoulder fall from the shoulder-blade, and mine arm be broken from the bone. (Writings JOB.31.22, JPS 1917) tree →
• And the haft also went in after the blade; and the fat closed upon the blade, for he drew not the sword out of his belly; and it came out behind. (Prophets JDG.3.22, JPS 1917) tree →

Note

Countable: one blade, two blades. "Shoulder blade" is a flat bone in your back, not something sharp. A dull blade can be more dangerous than a sharp one because you push harder and it slips. Never touch a blade on a machine that is plugged in or running.