Word Study
per diem
WORDNET DICTIONARY
Noun per diem has 1 sense
- per diem(n = noun.possession) Array - a daily allowance for living expenses (especially while traveling in connection with your job); Array is a kind of allowance
Adverbial per diem has 1 sense
- per diem(r = adv.all) by the day - one every day; "we'll save 100 man-hours per diem"
CIDE DICTIONARY
per diem, [L.].
By the day; substantively (chiefly U. S.), an allowance or amount of so much by the day. Also used adjectivally; as, a per diem allowance. [Webster 1913 Suppl.]
OXFORD DICTIONARY
per diem, adv., adj. & n.
--adv. & adj. for each day.
--n. an allowance or payment for each day.
--adv. & adj. for each day.
--n. an allowance or payment for each day.
Etymology
L
For further exploring for "per diem" in Webster Dictionary Online