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Dictionary · Word part

orch/o

A word root that means testis; orchi/o, orchid/o and test/o mean the same.

OR-koh root

What it means

The root in words about the testes, the male glands that make sperm and testosterone. Orchitis is inflammation of a testis, an orchiectomy is its surgical removal, and cryptorchidism is a testis that has not come down into the scrotum. The Latin root test/o gives testisTES-tisOne of the two male glands in the scrotum that make sperm and the hormone testosterone; plural testes.test/o testisFull entry and testosterone.

At a glance

Also writtenorchi-, orchi/o, orchid-, orchid/o, orchido-, orchio-

Related terms

-itis

A word ending that means inflammation.

testis

One of the two male glands in the scrotum that make sperm and the hormone testosterone; plural testes.

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