A liquid container (120, 120S) configured to be mounted to a carriage that reciprocates in an X direction, the liquid container comprising: an upper wall and a bottom wall opposed to each other in a Z direction that crosses the X direction; a first side wall and a second side wall opposed to each other in a Y direction that crosses the X direction and the Z direction; a third side wall and a fourth side wall opposed to each other in the X direction; a liquid supply port (280a, 280b) provided in the bottom wall; a first chamber configured to contain a liquid therein; a second chamber configured to contain the liquid therein and to include at least one sub-chamber (322a to 322h); a partition wall configured to part the first chamber from the second chamber; and a connecting hole configured to connect the first chamber with the second chamber, wherein the second chamber is connected with the liquid supply port (280a, 280b), the first chamber is connected with the liquid supply port (280a, 280b) via the connecting hole and the second chamber, the liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber (322a to 322h) to the liquid supply port (280a, 280b), and the at least one sub-chamber (322a to 322h) has a smaller dimension in the X direction than a dimension in the X direction of the first chamber, characterized in that the second chamber includes two or more sub-chambers (322a to 322h), and the two or more sub-chambers are arrayed in the X direction, wherein the partition wall is arranged to part a liquid containing space inside of a main body member into the first chamber on a +Y direction side and the second chamber on a -Y direction side. an upper wall and a bottom wall opposed to each other in a Z direction that crosses the X direction; a first side wall and a second side wall opposed to each other in a Y direction that crosses the X direction and the Z direction; a third side wall and a fourth side wall opposed to each other in the X direction; a liquid supply port (280a, 280b) provided in the bottom wall; a first chamber configured to contain a liquid therein; a second chamber configured to contain the liquid therein and to include at least one sub-chamber (322a to 322h); a partition wall configured to part the first chamber from the second chamber; and a connecting hole configured to connect the first chamber with the second chamber, wherein the second chamber is connected with the liquid supply port (280a, 280b), the first chamber is connected with the liquid supply port (280a, 280b) via the connecting hole and the second chamber, the liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber (322a to 322h) to the liquid supply port (280a, 280b), and the at least one sub-chamber (322a to 322h) has a smaller dimension in the X direction than a dimension in the X direction of the first chamber, characterized in that the second chamber includes two or more sub-chambers (322a to 322h), and the two or more sub-chambers are arrayed in the X direction, wherein the partition wall is arranged to part a liquid containing space inside of a main body member into the first chamber on a +Y direction side and the second chamber on a -Y direction side.