1. Mechanics. the point that may be considered as the center of a one- or two-dimensional figure, the sum of the displacements of all points in the figure from such a point being zero.Compare center of mass.
  2. Also called median point. Geometry. that point where the medians of a triangle intersect.

Origin of centroid

First recorded in 1875–80; centr- + -oid
Related formscen·troi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for centroid

Historical Examples of centroid

British Dictionary definitions for centroid


    1. the centre of mass of an object of uniform density, esp of a geometric figure
    2. (of a finite set) the point whose coordinates are the mean values of the coordinates of the points of the set
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