A maneuver or cunning trick. / A trivial, ridiculous or worthless fancy. / A thingamabob; an object of uncertain name.

(organic chemistry) A dicarboxylic acid, composed of two carboxylated quinoline rings, that is used for protein assay

(idiomatic) young people; youth / (idiomatic) youthful, revitalising or youth-oriented ideas.

plural of fainéant