a hole, especially a leak (from a wall or a ship's keel) / a reason or source of loss (of money, resources, etc.) / to retreat on a front of a battle, allowing enemy penetration into one's territory / a defect in a fabric, due to an error in the weaving process

(radio engineering) drop

inflection of fallare:
/ inflection of fallare:

to err is human

fallacy

plural of fallace

a surname

a surname