Definition of corpuscle
1
: a minute particle
2a
: a living cell
especially
: one (such as a red or white blood cell or a cell in cartilage or bone) not aggregated into continuous tissues
b
: any of various small circumscribed multicellular bodies
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Merriam-Webster unabridged
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Time Traveler for corpuscle
The first known use of corpuscle was in 1660
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