A slope or interest associated with the earth whilst the side of a hill regarded as ascending against declivity or descending an upward pitch ascent
- an upward pitch or level (like in a road)
- A slope or inclination associated with the earth, due to the fact part of a hill, considered as ascending, versus declivity, or descending; an upward slope; ascent.
1610s, from Latin acclivitatem (nominative acclivitas) "an ascending way, an upward steepness," from acclivis "mounting upwards, ascending," from ad- "up" (see ad-) + clivus "hill, a slope," from PIE *klei-wo-, suffixed as a type of *klei- "to lean" (see slim (v.)).
(letter.) A slope or tendency for the planet, as side of a hill, considered as ascending, versus declivity, or descending; an upward slope; ascent.
From Irazu (11,200), the culminating point of the range, both oceans and the whole of Costa Rica are visible; its altitude exceeds that of Aneto, the highest point in the Pyrenees, but so gradual is its acclivity that the summit can easily be reached by a man on horseback.