pluteus

[ploo-tee-uh s]

noun, plural plu·te·i

[ploo-tee-ahy] /ˈplu tiˌaɪ/, plu·te·us·es.

the free-swimming, bilaterally symmetrical larva of an echinoid or ophiuroid.

Origin of pluteus

1825–35; < New Latin; Latin: breastwork, movable shelter

Related formsplu·te·al, plu·te·an, adjective

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

Examples from the Web for pluteus

Historical Examples of pluteus

It is the diminutive of pluteus, a shed or penthouse, from its conical cap.
The Mushroom, Edible and Otherwise
M. E. Hard
(an abbreviation of Pluteus, press), with the number and shelf.
Notes and Queries, Number 68, February 15, 1851
Various
Octopyle obtecta bears therefore the same relation to Octopyle octostyle that Tetrapyle pluteus does to Tetrapyle octacantha.
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)
Ernst Haeckel
The full-grown larva of the Ophiuroids is known as a Pluteus.
The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour
The recorded species of Pluteus have their habitat on tree stumps, sawdust, or upon fallen timber.
Student's Hand-book of Mushrooms of America, Edible and Poisonous
Thomas Taylor