The word is otherwise unattested. As a gloss of 'renidentem', it may be that the gloss should be considered a variant of poignant, which normally refers to taste, or perhaps puant1.
a.
1emitting an odour, smelling?:
(
MS: s.xiii
)
Hinc satur ad haustrum usque dilabar cillaceum fluida deglutiens allabencia, pone quod hac in papirione sese renidentem (glosses: prumant (l. puinant?) cum fulica onocrocalum, hac inter squalidam labine uligiem cum lagaone delitentem in ulva fetontrum
i 351.3 and 368.3 (W)