pierreusecommon nounadjectiveSyllable DecompositionpierreuseEtymologyexpand(1807) Noël Arnaud gives the etymology as: 'The 'pierreuses' were prostitutes of the last ray who solicited in vacant lots or construction sites.Annotations by Noël Arnaud.Definition1. Feminine singular of 'pierreux' (stony).expandSee alsopierreuse (cn.) pierreux (adj.) pierreuses (cn.) pierreuses (adj.)