i Register
In some senses, dasher is marked as archaic, US, colloquial. Watch for register when choosing this word.
noun
A person who dashes; a fast runner.
That which dashes or agitates.
the dasher of a churn
A dashboard or splashboard.
The lower boards around the edge of the rink.
One who makes an ostentatious parade or display.
name
A surname.
name
The first reindeer of Santa Claus.