: a tailless encysted late larva of a digenetic trematode that is usually the form which is infective for the definitive host

Word History

Etymology

New Latin

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of metacercaria was in 1925

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Cite this Entry

“Metacercaria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metacercaria. Accessed 27 Mar. 2025.

Medical Definition

: a tailless encysted late larva of a digenetic trematode that is usually the form which is infective for the definitive host

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