{ Cen"ter, Cen"tre } v. i. [imp. & p. p. Centered or Centred (&?;); p. pr. & vb. n. Centering or Centring.] 1. To be placed in a center; to be central.

2. To be collected to a point; to be concentrated; to rest on, or gather about, as a center.

Where there is no visible truth wherein to center, error is as wide as men's fancies.
Dr. H. More.

Our hopes must center in ourselves alone.
Dryden.

{ Cen"ter , Cen"tre } (?), v. t. 1. To place or fix in the center or on a central point. Milton.

2. To collect to a point; to concentrate.

Thy joys are centered all in me alone.
Prior.

3. (Mech.) To form a recess or indentation for the reception of a center.

Cen"tre (?), n. & v. See Center.

{ Cen"ter, or Cen"tre, seal }. (Gas Manuf.) A compound hydraulic valve for regulating the passage of the gas through a set of purifiers so as to cut out each one in turn for the renewal of the lime.

{ Center, or Centre, punch }. (Mech.) (a) A punch for making indentations or dots in a piece of work, as for suspension between lathe centers, etc. (b) A punch for punching holes in sheet metal, having a small conical center to insure correct locating.

{ Cen"ter, or Cen"tre, seal }. (Gas Manuf.) A compound hydraulic valve for regulating the passage of the gas through a set of purifiers so as to cut out each one in turn for the renewal of the lime.

{ Center, or Centre, punch }. (Mech.) (a) A punch for making indentations or dots in a piece of work, as for suspension between lathe centers, etc. (b) A punch for punching holes in sheet metal, having a small conical center to insure correct locating.

• (geometry) The point on a line that is midway between the ends.
  
• (geometry) The point in the interior of a circle that is equidistant from all points on the circumference of the circle.
  
• (geometry) The point in the interior of a sphere that is equidistant from all points on the surface of the sphere.
  
• (geometry) 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.
  
• A place where some function or activity occurs.
       shopping centre
       convention centre
  
• A topic that is particularly important in a given context.
       the centre of the controversy
       the centre of attention
  
• (basketball) The player, generally the tallest, who plays closest to the basket.
  
• Of, at, or related to a centre.
  
• To cause (an object) to occupy the centre of an area.
  
• To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes.
  
• To concentrate on (something), to pay close attention to (something).
  
  French
• centre (British), center (US)