# testicle

/ˈtɛsˌtɪkəɫ/ (US) · /tˈɛstɪkəl/ (UK) · CEFR C1 · Noun

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

## Definition

one of the two oval-shaped organs in the male body that produce sperm and the hormone testosterone.

For teachers: one of the two oval-shaped male reproductive glands that produce sperm and secrete testosterone.

## Examples

- The doctor examined the testicle for any signs of swelling.
- During the physical examination, the physician checked the testicle for size, shape, and any unusual lumps.
- The development of the testicle is a complex process involving the differentiation of germ cells and the establishment of a functional blood-testis barrier.

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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.