A quill. / The flight feather of a bird.

(intransitive, US, medical slang) (of one's health) to decline rapidly (but not as rapidly as crash).

A commune of the Var department, Provence, Provence-Alpes-Côte d'Azur, France / A commune of Avignon prefecture, Vaucluse department, Provence-Alpes-Côte d'Azur, France

plural of mtg.