# Katy

/ˈkeɪti/ (US)

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

## Senses

### 1. a person's name

noun · CEFR A1

A short or friendly name for a woman named Katherine or Kathleen.

For teachers: A diminutive or hypocoristic form of the female given name Katherine or its variants.

- Everyone at the office calls her Katy instead of Katherine.
- The author dedicated her first novel to Katy, her childhood friend who had encouraged her to pursue a career in literature.

### 2. the MKT Railroad

noun · CEFR C2 · American English · Technical

A famous old railway line in the United States, often called 'the Katy'.

For teachers: A metonymic reference to the Missouri–Kansas–Texas (MKT) Railroad, a significant historical rail line in the American Midwest.

- The old steam engine used to run along the Katy line every day.
- Historians often study the expansion of the Katy as a primary driver of economic development across the southern Great Plains during the late nineteenth century.

### 3. a place name

noun · CEFR B2 · American English

The name of several towns, most famously a city in Texas near Houston.

For teachers: A toponym referring to several locations in the United States, most notably a city in the state of Texas.

- They decided to move to Katy because the schools there are very good.
- The rapid suburbanization of Katy has transformed it from a small agricultural hub into a major residential center for the Houston metropolitan area.

## Examples

- A katy chirped loudly in the tree outside my window.
- During the humid summer evenings, the rhythmic sound of the katy is a constant background noise in the forest.
- The camouflage of the katy is so effective that it remains virtually invisible against the foliage until it begins its distinctive nocturnal song.

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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.