noun
: sailing in which the earth is regarded as a spherical or spheroidal figure and allowance is made for the curvature of its surface in directing the course of a ship
noun
: sailing in which the earth is regarded as a spherical or spheroidal figure and allowance is made for the curvature of its surface in directing the course of a ship
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012