Definition of jay
(Entry 1 of 2)
1a
: a predominantly fawn-colored Old World bird (Garrulus glandarius) of the crow family with a black-and-white crest and wings marked with black, white, and blue
b
: any of various usually crested and largely blue chiefly New World birds that are related to the common Old World jay and have roving habits and harsh voices — compare blue jay
3
: a moderate blue
jay
noun (2)Definition of jay (Entry 2 of 2)
1
: the letter j
2
: joint sense 4
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Merriam-Webster unabridged
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Time Traveler for jay
The first known use of jay was in the 14th century
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