A connector comprising a first connector provided with first terminals each of which has a movable portion formed so that a dimension in its width direction is larger than a dimension in its thickness direction to be elastically deformed in a fore-and-aft direction (Y direction) of the connector, and a second connector provided with second terminals each of which has a movable portion formed so that a dimension in its thickness direction is larger than a dimension in its width direction to be elastically deformed in a width direction (X direction) of the connector. As compared with a terminal formed so as to be sufficiently elastically deformable in both of the fore-and-aft direction and the width direction of the connector, it is possible to increase a cross-sectional area of each of the movable portions, so that a permissible value of current of each of the terminals can be increased.