[onsena]
variante(s): onzena
n. f.
'onzaine'
T: RaimCorn ⊂ NoulCDeuxMss 41,55 (‑nz‑ t2)
∅ FEW 14:34b [ᴜ̆ɴᴅᴇ̆ᴄɪᴍ].