The OED is the only other dictionary also to define the word as a type of inflammation. It is considered an elliptic construction, for which no other medieval attestations are provided.
s.
1anat.uvula (fleshy extension at the back of the soft palate):
(
MS: s.xiii
) Partes oris sunt iste: lingua, palatum [...] uvula gloss: (L) uvel(var.
(D*: s.xiii/xiv) uvele;
(C: s.xiiiex) huvel
), gula, labra [...]
i 196.5 and ii 126.5
(
MS: s.xiiim
)
Olibanum [...] a vertu de conforter et de confermer [...]: il est bon encuntre les lermes des oylz e la dolur de denz e encontre le huuel (l. huvel)87
[uvule] (s.xiii)