Second Round Vote in an Election

This page is the CodyCross answer for the clue below from Treasure Island, Group 1031, Puzzle 5 (Fallen Coconuts).

Question is: Second Round Vote in an Election

and the answer is: RUNOFF

Word Meaning:

RUNOFF — That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.

Definitions from Wiktionary.