# erectile

/ɪɹˈɛktaɪl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/erectile
Updated: 2026-05-20

## Definition

describing something that can become firm or hard, especially when it is excited. In biology, it refers to parts of the body that can change shape to help with reproduction.

For teachers: capable of becoming firm or rigid, typically in response to stimulation. In a biological context, refers to organs or tissues that undergo such a change to facilitate sexual function.

## Examples

- The plant has an erectile stem that grows toward the light.
- The doctor explained that the erectile tissue in the penis requires a steady flow of blood to maintain its firm state.
- In many species, the erectile display of plumage serves as a primary signal during the mating season, often involving rapid inflation of specialized feathers to appear larger and more intimidating.

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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.