1.
allowance, benefit
Extra payment or benefit provided in addition to salary.
手当 has two main meanings: workplace allowance and medical treatment.
MEANING 1 - ALLOWANCE:
Extra payment or benefit beyond base salary.
- 住宅手当: housing allowance
- 通勤手当: commuting allowance
- 残業手当: overtime pay
- 家族手当: family allowance
- 役職手当: position allowance
MEANING 2 - TREATMENT:
Care for injury or illness.
USAGE NOTE:
Context usually clarifies meaning. In workplace discussions, it means allowance; in medical contexts, it means treatment.