What is the meaning of Vecka?

a week, a period of 7 days.

a numbered period, ranging from 1 to 52 or 53, containing seven days beginning with Monday and ending with Sunday

to make more or less sharp folds (veck) (in something soft, like fabric, paper, or skin, deliberately or inadvertently); to fold, to crease, to pleat, etc.

Source: wiktionary.org