variante(s): postoire, postoyra

n. f.

'moëllon, pierre à bâtir'

D: 1355 ⊂ Pans 2:47,25 (‑e); 1375 ⊂ Pans 2:83,29 (‑oy‑); 1418 ⊂ Pans 2:124,24 (‑oy‑)

FEW 9:162a [ᴘᴏ̄ɴᴇ̆ʀᴇ].