Round"er (?), n.
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.
© Webster 1913.