pluteus

[ ploo-tee-uhs ]

noun,plural plu·te·i [ploo-tee-ahy], /ˈplu tiˌaɪ/, plu·te·us·es.
  1. the free-swimming, bilaterally symmetrical larva of an echinoid or ophiuroid.

Origin of pluteus

1
1825–35; <New Latin; Latin: breastwork, movable shelter

Other words from pluteus

  • plu·te·al, plu·te·an, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use pluteus in a sentence

  • If such eggs are afterwards treated for a short period with hypertonic sea-water they develop into normal larvae (plutei).

    Darwin and Modern Science | A.C. Seward and Others