# rail

/ˈɹeɪɫ/ (US) · /ɹˈeɪl/ (UK)

Source: https://englishreference.com/word/rail
Updated: 2026-06-19

## Senses

### 1. support bar

noun · CEFR B1

a horizontal bar used for support or to stop people from falling.

For teachers: a horizontal bar extending between supports, functioning as a handhold or a protective barrier.

- Please hold onto the rail while the boat is moving.
- The safety inspector noted that the hand rail on the western staircase was loose and required immediate reinforcement.

### 2. train track

noun · CEFR B1

one of the metal bars that a train travels on.

For teachers: the steel bar forming part of a permanent way for a railroad.

- The train stayed on the rails despite the heavy snow.
- Engineers inspected the rails for thermal expansion after the record-breaking heatwave caused several minor alignment issues.

### 3. railway system

noun · CEFR B1

the system of transport using trains.

For teachers: the railway as a mode of transport or an industrial sector.

- Traveling by rail is often faster than driving between major cities.
- The government announced a significant investment in rail to reduce the carbon footprint of national logistics.

### 4. electronics

noun · CEFR C1 · Technical

a part of a circuit that carries a specific voltage.

For teachers: a conductor maintained at a fixed electrical potential relative to ground.

- The technician checked the 12V rail on the power supply.
- Fluctuations on the 5V rail can cause instability in the processor, leading to unexpected system reboots.

### 5. to complain loudly

verb · CEFR C1 · Literary

to complain or protest very strongly against something.

For teachers: to complain or protest vehemently or violently. Intransitive; typically takes the preposition 'against'.

- The citizens railed against the new taxes in the town square.
- In his weekly column, the journalist continued to rail against the perceived corruption within the local administration.

### 6. to enclose

verb · CEFR B2

to put a fence or bars around an area.

For teachers: to enclose or provide an area with a railing.

- They decided to rail off the garden to keep the dogs out.
- The construction crew worked to rail off the excavation site to prevent pedestrians from accidentally wandering into the danger zone.

## Examples

- Please hold the rail while you walk down the stairs.
- The government is investing more money into rail to reduce the number of cars on the highway.
- The expansion of the national rail network during the nineteenth century fundamentally altered the economic landscape by allowing goods to be transported across vast distances in record time.

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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.