1.
parent, parents
One's father and/or mother.
親 means 'parent' (can refer to one or both parents).
Family terms:
- 父/母: father/mother (humble, about own)
- お父さん/お母さん: father/mother (polite, about others)
- 両親: both parents (formal)
Common compounds:
- 親子: parent and child
- 親友: close friend
- 親会社: parent company
- 親指: thumb (parent finger)
- 親切: kindness
Note: 親 is the generic/casual term. In formal contexts or when referring to someone else's parents, use ご両親.