variante(s): raga, raza

n. f.

a. 'canal, rigole d'irrigation, fossé d'écoulement'

L: TrArp₂M 102,11 («terrasse», = TrArp₂P 127,114v «rigole, fossé»)

D: v. 1150 Sauxillanges ⊂ Chambon₁₇ 46; 1346‥48 ⊂ CConsMontfL₃ 8.188 (‑z‑); 1364/65 ⊂ CConsMontfL₃ 12.226 (‑z‑); 1372/73 ⊂ CConsMontfL₃ 14.403 (‑z‑); 1372/73 ⊂ CConsMontfL₃ 14.404 (‑z‑); 1401 Saint‑Flour ⊂ DAOA 1020b (‑z‑); JustDienneORV 14v,1 (‑g‑, = DAOA 1020b); JustDienneORV 14v,2 (= DAOA 1020b); 1444 Saint‑Flour ⊂ DAOA 1020b; v. 1501 Bredons ⊂ DAOA 1020b

b. 'tranchée [pour poser une canalisation]'

D: 1387 Saint‑Flour ⊂ DAOA 1021a (‑z‑)

∅ FEW 10:100b [ʀᴀѕᴜѕ]. – Stouff₂.