The rim (of a ring) within which a jewel is set.
A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard, springy material, especially a metal.
In an embryonic plant, the transition zone between the root and the hypocotyl (not clearly distinguishable in most plants.)
A ring or half-ring with markings in which an artificial globe is installed and may spin.
In full celestial meridian: a great circle passing through the poles of the celestial sphere and the zenith for a particular point on the Earth's surface.
A line passing through the poles of any sphere; a notional line on the surface of a curved or round body (in particular, an eyeball).
The highest or most developed point, or most splendid stage, of something; culmination, peak, zenith.
Any of the pathways on the body along which chi or qi (life force) is thought to flow and, therefore, the acupoints are distributed; especially, one of twelve such pathways associated with organs of the body.
Chiefly followed by of: the middle period of someone's life, when they are at their full abilities or strength; one's prime.
In full terrestrial meridian: a great circle on the Earth's surface, passing through the geographic poles (the terrestrial North Pole and South Pole); also, half of such a circle extending from pole to pole, all points of which have the same longitude.
The place on the celestial meridian where it is crossed by the sun or a star at its highest point.
Relating to a meridian (in various senses); meridional.
Relating to midday or noon.
Of a celestial body: to reach its meridian.
To cause an object to reach the meridian or highest point of (something).