|
Definition of Forestaff
1. n. An instrument formerly used at sea for taking the altitudes of heavenly bodies, now superseded by the sextant; -- called also cross-staff.
Definition of Forestaff
1. Noun. (nautical) An instrument formerly used at sea for taking the altitudes of heavenly bodies, later replaced by the sextant. ¹
¹ Source: wiktionary.com