QUINTANT
Meaning of QUINTANT in English
/kwin"tnt/ , n. Navig.
a sextant having an arc equal to one fifth of a circle.
[ 1675-85; quint- ( quintus FIFTH) + -ant (as in quadrant ) ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012