sentakurūru
1. optional rule
Noun
1. optional rule
1. rule
1. choice; selection
1. washing; laundry
2. relaxation; rejuvenation
1. elective subject or course
1. laundry; the washing
1. choices; alternatives
1. washing machine; (clothes) washer
1. by rule; according to rules
1. If the rule…; When the rule…