nauplius(redirected from nauplii)
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n. pl. nau·pli·i (-plē-ī′)
The free-swimming first stage of the larva of certain crustaceans, having an unsegmented body with three pairs of appendages and a single median eye.
[New Latin, from Nauplius, former genus of crustacean (later discovered to be a larval stage of other genera), from Latin nauplius, paper nautilus, from Greek nauplios, nautilus (probably the pearly nautilus of the Indian Ocean) : naus, nau-, ship; see nāu- in the Appendix of Indo-European roots + plein, to sail, float, swim (the animal being so called because it was thought to sail in its shell like a ship and use its arms as oars); see pleu- in the Appendix of Indo-European roots.]
nau′pli·al (-əl) adj.
n, pl -plii (-plɪˌaɪ)
(Zoology) the larva of many crustaceans, having a rounded unsegmented body with three pairs of limbs
[C19: from Latin: type of shellfish, from Greek Nauplios, one of the sons of Poseidon]
nau•pli•us(ˈnɔ pli əs)
n., pl. -pli•i (-pliˌaɪ)
a larval form in many crustaceans, with three pairs of appendages and a single median eye.
[1830–40; < Latin: a kind of shellfish]