Definify.com
Webster 1913 Edition
Rounder
Round′er
,Noun.
1.
One who rounds; one who comes about frequently or regularly.
2.
A tool for making an edge or surface round.
3.
pl.
An English game somewhat resembling baseball; also, another English game resembling the game of fives, but played with a football.
Now we play
rounders
, and then we played prisoner’s base. Bagehot.