Noun
column vector (plural column vectors)
(linear algebra) An n×1 matrix that represents a vector.
For example, the gradient of the function : is: : In some applications it is customary to represent the gradient as a row vector or column vector of its components in a rectangular coordinate system. Source: Internet
So what precisely constitutes a "column vector" (or spinor) also depends on such arbitrary choices. Source: Internet
To perform the rotation using a rotation matrix R, the position of each point must be represented by a column vector v, containing the coordinates of the point. Source: Internet