There are multiple definitions - click on the translation that matches your context.

Sitte

Substantiv

full

custom

noun

Definitions of custom

a long-established and generally unwritten practice often recognised as having the force of law

Pursuant to Islamic practice, once a wrong has been committed, a ritual forgiveness ceremony, a sulha may be performed.

unwritten rules that are a traditional and widely accepted way of how things should be done in a particular society or place

Nepal's custom of brothers sharing a wife is declining.