Arrear

• POS: Noun
• HYPHEN: ar=rear

CIDE DICTIONARY

Arrear, adv. [OE. arere, OF. arere, ariere, F. arrière, fr. L. ad + retro backward. See Rear.].

 To or in the rear; behind; backwards.  Spenser.  [1913 Webster]

Arrear, n. 

 That which is behind in payment, or which remains unpaid, though due; esp. a remainder, or balance which remains due when some part has been paid; arrearage; -- commonly used in the plural, as, arrears of rent, wages, or taxes.  Locke.  [1913 Webster]
"For much I dread due payment by the Greeks
Of yesterday's arrear."  [1913 Webster]
"I have a large arrear of letters to write."  [1913 Webster]

In arrear or In arrears, behind; backward; behindhand; in debt.