- the subbranch of Celtic in which the Proto-Indo-European kw-sound became a p-sound. Welsh, Breton, Cornish, and Gaulish belong to P-Celtic.
- of or belonging to P-Celtic.
Origin of P-Celtic
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018