Per Diem - Definition - Law Dictionary Home Dictionary Definition per-diem

per diem

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[Latin]
: by the day
: for each day [paid per diem]
adj 1 : based on use or service by the day [per diem compensation]
2 : paid or calculated by the day [per diem interest]
n 1 : a daily allowance [received a per diem for expenses]
2 : a daily fee [paid a per diem for maintenance of the equipment]