A temporary structure upon which the materials of a vault or arch are supported in position until the work becomes self-supporting.
A player who can go all over the court, except the shooting circles.
The middle portion of something; the part well away from the edges.
One of the two conical steel pins in a lathe, etc., upon which the work is held, and about which it revolves.
The ring in the gambling game two-up in which the spinner operates.
The subgroup (respectively, subring), denoted Z(G), of those elements of a given group (respectively, ring) G that commute with every element of G.
The point in the interior of a circle that is equidistant from all points on the circumference.
The point on a line that is midway between the ends.
The point in the interior of a sphere that is equidistant from all points on the circumference.
A topic that is particularly important in a given context, the element in a subject of cognition, volition or discussion that is perceived as decisive.
A place, especially a building or complex, set aside for some specified function or activity.
The ensemble of moderate or centrist political parties.
A conical recess or indentation in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
A pass played into the centre of the pitch.
The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure (or of all points in the interior for a center of volume).
The venue in which the head of government in a centralized state is situated.
The forward that generally plays between the left wing and right wing and usually takes the faceoffs.
The player, generally the tallest, who plays closest to the basket.
The person who holds the ball at the beginning of each play.
One of the backs operating in a central area of the pitch, either the inside centre or outside centre.
To give (something) a central basis.
To concentrate on (something), to pay close attention to (something).
To cause (an object) to occupy the center of an area.
To form a recess or indentation for the reception of a center.
To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes.
Of, at, or related to a center.
The construction that gives shape and strength to a roof, generally a truss of timber or iron; or, loosely, the most important member of a piece of framing.
The chief administrator of a school.
A diapason, a type of organ stop on a pipe organ.
A dancer at the highest rank within a professional dance company, particularly a ballet company.
The primary participant in a crime.
The first two long feathers of a hawk's wing.
A security principal.
A legal person that authorizes another (the agent) to act on their behalf; or on whose behalf an agent or gestor in a negotiorum gestio acts.
The chief executive and chief academic officer of a university or college.
The money originally invested or loaned, on which basis interest and returns are calculated.
A partner or owner of a business.
One of the turrets or pinnacles of waxwork and tapers with which the posts and centre of a funeral hearse were formerly crowned
Chosen or assumed among a branch of possible values of a multi-valued function so that the function is single-valued.
Primary; most important; first level in importance.