Here you will find one or more explanations in English for the word Psittaceous.
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Psittaceous
Psittaceous Psit*ta"ceous, Psittacid Psit"ta*cid, a. [L.
psittacus a parrot, Gr. ?: cf. F. psittacide.] (Zo["o]l.)
Of or pertaining to the parrots, or the Psittaci. -- n. One
of the Psittaci.
Meaning of Psittaceous from wikipedia