plural -s
: a hypothetical free-swimming primitive organism resembling a simple trochophore and regarded as indicating the way of transition from radial to bilateral symmetry

Word History


New Latin, from pro- entry 1 + troch- + -ula (feminine of -ulus -ule)

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Dictionary Entries Near protrochula

Cite this Entry

“Protrochula.” Dictionary, Merriam-Webster, Accessed 29 Feb. 2024.

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