A machining tool for machining a workpiece, which is attached to a table , by moving a tool (T) attached to a spindle and the workpiece relative to each other, the machine tool comprising: a column defining a recess in a front face thereof, the column comprising Y-axis guides in an up-and-down direction that is the direction of gravity; a spindle head for supporting the spindle ; and a moving body supporting the spindle head at a front side thereof, the moving body moving along the Y-axis guides in the up-and-down direction, wherein the Y-axis guides comprise a pair of right-and-left first guides disposed outside of the recess and a second guide disposed inward relative to the pair of first guides and within the recess , wherein the first guides include a pair of right-and-left first guide rails mounted to the front face of the column to extend in the up-and-down direction, and wherein the recess of the column has a section, in a plane perpendicular to the up-and-down direction, in the form of substantially a trapezoidal shape, characterized in that : the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider ; the second guide includes a pair of forwardly facing guide surfaces defined by the column ; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess ; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess . a column defining a recess in a front face thereof, the column comprising Y-axis guides in an up-and-down direction that is the direction of gravity; a spindle head for supporting the spindle ; and a moving body supporting the spindle head at a front side thereof, the moving body moving along the Y-axis guides in the up-and-down direction, wherein the Y-axis guides comprise a pair of right-and-left first guides disposed outside of the recess and a second guide disposed inward relative to the pair of first guides and within the recess , wherein the first guides include a pair of right-and-left first guide rails mounted to the front face of the column to extend in the up-and-down direction, and wherein the recess of the column has a section, in a plane perpendicular to the up-and-down direction, in the form of substantially a trapezoidal shape, characterized in that : the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider ; the second guide includes a pair of forwardly facing guide surfaces defined by the column ; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess ; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess . the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider ; the second guide includes a pair of forwardly facing guide surfaces defined by the column ; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess ; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess . <EOS>