Meridian

1.

(Any of the great semicircles on the globe, passing through the geographical poles and any given point on the earth surface, the highest point reached by a heavenly body in its course, the highest point of power, prosperity, etc., zenith) ថ្ងៃត្រង់, កំពូល, ខ្សែវណ្ឌ, ខ្សែបណ្ដោយ
Example: The meridian of his life.

1.

A great circle on the surface of the earth, passing through the poles and any given place; also, the half of such a circle included between the poles.

2.

A great circle of the sphere passing through the poles of the heavens and the zenith of a given place. It is crossed by the sun at midday.

1.

Being at, or pertaining to, midday; belonging to, or passing through, the highest point attained by the sun in his diurnal course.

2.

Pertaining to the highest point or culmination; as, meridian splendor.

3.

Hence: The highest point, as of success, prosperity, or the like; culmination.

1.

Midday, noon