a.1.(Zool.) Of or pertaining to the parrots, or the Psittaci.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Could there be a more outrageous pair of adjectives so oddly conjoined in [sound] and disparity of creatures involved: cetaceous (refers to whales and dolphins) and psittaceous (refers to parrots)?"
Examinations favor parrot learning, for the most part; and parrot learning is undesirable not only because it is useless but also because the psittaceous habit of mind inhibits deeper learning."18