ˌkwintəˈdēnə noun
also quin·ta·dene ˈ ̷ ̷ ̷ ̷ˌdēn
( -s )
Etymology: New Latin quintadena, probably from Latin quintus fifth + New Latin -dena twelfth (from Latin duodeni twelve each); from its sounding of the twelfth, or fifth of the second octave — more at duodenary
: a pipe-organ stop of narrow covered metal or wood pipes giving with its own fundamental a pronounced harmonic fifth in the second octave above and of 4-foot, 8-foot, or 16-foot pitch