position or alignment relative to points of the compass or other specific directions

parallel to or in the plane of the horizon or a base line

at right angles to the plane of the horizon or a base line

(of a topographical gradient) not steep or abrupt

slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled

position or alignment relative to points of the compass or other specific directions

departing or being caused to depart from the true vertical or horizontal

having an oblique or slanted direction

set at a sharp or high angle or slant

set at a low angle or slant

of a geological structure in which all strata are inclined in the same direction