# harness

/ˈhɑɹnəs/ (US) · /hˈɑːnɪs/ (UK)

Source: https://englishreference.com/word/harness
Updated: 2026-08-15

## Senses

### 1. to use a resource

verb · CEFR B2

to control and use a natural force or a quality to produce something useful, like energy.

For teachers: to capture, control, and utilize a natural resource or specific capacity for a particular purpose.

- The new power plant will harness the energy of the wind to provide electricity.
- Engineers are looking for more efficient ways to harness solar radiation in regions with high cloud cover.

Usage: Often used with natural forces like wind, water, or sun, or abstract qualities like 'potential'.

### 2. to put straps on

verb · CEFR B2

to put a set of straps on an animal or person to control them or keep them safe.

For teachers: to equip an animal or person with a harness for the purpose of restraint, safety, or traction.

- The farmer had to harness the horses before they could pull the heavy wagon.
- Before the climb began, the instructor showed the students how to harness themselves correctly to the safety ropes.

### 3. safety/animal straps

noun · CEFR B2

a set of straps that fits around a person's or animal's body to keep them safe or to pull something.

For teachers: a system of straps and fittings by which a horse or other animal is fastened to a cart or plough, or a similar arrangement for a human.

- The baby was strapped securely into his high chair with a five-point harness.
- The safety inspector checked each climber's harness for signs of wear before allowing them onto the rock face.

### 4. wiring bundle

noun · CEFR C1 · Technical

a group of wires or cables tied together in a specific way, usually inside a machine or car.

For teachers: an assembly of electrical cables or wires which transmit signals or electrical power.

- The mechanic found a loose connection in the car's main wiring harness.
- The aerospace technician spent hours mapping the complex wiring harness within the satellite's propulsion module.

### 5. to equip with armour

verb · CEFR C2 · Archaic · Literary

to put protective metal armour on a soldier or a horse.

For teachers: to equip a person or horse with defensive armour.

- The knight was harnessed in gleaming steel before the battle began.
- In the old tales, the king's stallion was harnessed in silver plates that shone like the moon.

Teaching tip: This sense is archaic; modern learners will almost exclusively encounter 'harness' in the context of energy or safety equipment.

## Examples

- The new farm will harness wind power to create electricity.
- Engineers are looking for better ways to harness solar energy to power entire cities during the winter months.
- To succeed in such a competitive market, the CEO realized she had to harness the collective creativity of her staff rather than relying solely on top-down directives.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.