Runaway \Run"a*way`\, n.

1. One who, or that which, flees from danger, duty, restraint, etc.; a fugitive.

Thou runaway, thou coward, art thou fled? --Shak.

2. The act of running away, esp. of a horse or teams; as, there was a runaway yesterday.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Runaway \Run"a*way`\, a.

1. Running away; fleeing from danger, duty, restraint, etc.; as, runaway soldiers; a runaway horse.

2. Accomplished by running away or elopement, or during flight; as, a runaway marriage.

Source: Webster's Revised Unabridged Dictionary (1913)