[ hol-oh-ground ]
/ ˈhɒl oʊˈgraʊnd /
ground so as to produce a concave surface or surfaces behind a cutting edge: the hollow-ground blade of an ice skate.
Origin of hollow-ground
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for hollow-ground
The edge of the hollow-ground razor is thinner and therefore cuts better, and is much easier to keep sharp.Shaving Made Easy|Anonymous