Weephole

Weepholes are small openings located near the base of the outer wall of brick veneer or masonry construction for ventilation and drainage purposes. Raising the grade above weepholes may allow moisture, snakes, insects such as termites, and small animals to enter the building. Modern weepholes employ screens, constructed of flexible nylon or plastics to prevent this.

WIKIPEDIA ENTRY FOR WEEP HOLE

Weephole Picture