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onyxis

American

[oh-nik-sis] / oʊˈnɪk sɪs /

noun

Pathology.

an ingrowing of a fingernail or toenail.

Etymology

Origin of onyxis

< Greek onych- (stem of ónyx ) nail ( see onyx) + -sis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.