RAIMENT Meaning of RAIMENT in English rai ‧ ment /ˈreɪmənt/ BrE AmE noun [uncountable] [ Date: 1300-1400 ; Origin: arrayment (14-19 centuries) , from ⇨ ↑ array 2 ] literary clothes Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012