trochal

[troh-kuh l]

adjective Zoology.

resembling a wheel.

Origin of trochal

1835–45; < Greek troch(ós) wheel + -al¹

Related formspre·tro·chal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trochal

Historical Examples of trochal

On the sides of the ventral depression are two ridges which form the lateral boundaries of the trochal disc.
The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour
At a later period the lateral ridges of the trochal disc meet dorsally and so enclose the proral lobe.
The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour

British Dictionary definitions for trochal

trochal

adjective

zoology shaped like a wheelthe trochal disc of a rotifer

Word Origin for trochal

C19: from Greek trokhos wheel

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