plural of rai

(idiomatic) Mnemonic device meant to refrain people from using the conditional tense in front of the conjunction si. Rais refers to the usual ending of conditional conjugated verbs (rais/rait/raient).

raison d'être

reason (cause) / reason (mental faculties) / common difference (of an arithmetic series) / common ratio (of a geometric series)

grape / a size of paper (having such a watermark) / a bright red lipstick

plural of raisin; grapes

reasonable, just, fair, consistent, sensible / possessed of reason / resigned

catalogue raisonné

grape juice

reasonably; logically; sensibly / without excesses