a period of 100 consecutive years; often specifically'' a numbered period with conventional start and end dates, eg, the ''twentieth century'', which stretches from (''strictly'') 1901 through 2000, or (''informally'') 1900 through 1999 the ''first century ad was from 1 to 100; a yearhundred.
is a sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool or hone can be a kind of swelling in the cheek.