Definition of penaeidean in English:

penaeidean

noun

Zoology
  • Originally: = penaeoid. Later: a shrimp of the infraorder Penaeidea, which includes the penaeids.

adjective

Zoology
  • Of or relating to penaeideans; of the nature of a penaeidean.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin Penaeidea, name of a family and later an infraorder + -an.

Pronunciation

penaeidean

/ˌpɛnɪˈɪdɪən/