variante(s): botabau, botavant

n. m.

a. 'boutoir de maréchal‑ferrant'

D: 1401 ⊂ Pans₃; Béarn ⊂ LespyR 1:117a (‑bau)

b. 'brochoir, marteau de maréchal‑ferrant'

D: 1453 ⊂ Pans₃ (‑nau, à corr. en ‑van); 1462 ⊂ Pans 5:12,13 (‑nt); 1488 ⊂ Pans 2:236,30 (‑nt)

FEW 15/1:211b, 15/1:214a, 15/1:214b [*ʙᴏ̄ᴛᴀɴ].