Du-ēn'nä, n.
n.; pl. Du-ÉN/NĀs. [Sp. duenna, dueña, doña, dona, f. of dueño, don, from Lat. domina, dominus. Fr. duègne is taken from Sp. dueña, not from Lat. domina. See DON.]
Sense 1. The chief lady in waiting on the queen of Spain. Brande.
Sense 2. An elderly lady holding a middle station between a governess and companion, and appointed to have charge over the younger females in a Spanish or Portuguese family.
Sense 3. Any old woman who is kept to guard a younger; a governess. Arbuthnot.