R.I.B.A.

abbreviation for

1. Royal Institute of British Architects.

RIBA

¹

abbreviation for

1. Royal Institute of British Architects

riba

²

/ ˈriːbə /

noun

1. (in Islam) interest or usury, as forbidden by the Koran

Word History and Origins

Origin of R.I.B.A.¹

C21: from Arabic al-Riba , literally: to excess or increase