Webster's Revised Unabridged Dictionary · 1913

Popinjay

Popinjay , noun

[Old English popingay, papejay, Old French papegai, papegaut; compare Pr. papagai, Sp. & Portuguese papagayo, Italian pappagallo, LGr. {not transcribed}, NGr. {not transcribed}; in which the first syllables are perhaps imitative of the bird's chatter, and the last either from Latin gallus cock, or the same word as English jay, French geai. Compare Papagay.]

1.
(a) (Zoology) The green woodpecker.
(b)
(Zoology) A parrot.
The pye and popyngay speak they know not what. — Tyndale
2.
A target in the form of a parrot. [Scottish]
3.
A trifling, chattering, fop or coxcomb.
To be so pestered with a popinjay. — Shakespeare