A liquid vessel for holding a liquid, comprising: at least a first member, a second member and a third member; and a first engageable portion and a second engageable portion being configured such that the first member and the second member are brought into contact with each other to be engaged, and a third engageable portion being configured such that the third member is brought into contact with the first member and the second member in a direction intersecting an engagement direction of the first member and the second member to be engaged with the first member and the second member; the liquid vessel includes a wall portion, the wall portion having an inner side defined by at least the third member, the wall portion extending in a depth direction of the liquid vessel from a bottom portion of the liquid vessel and a periphery of the bottom portion; characterized in that; the first engageable portion includes a first narrow space (S1, S2), which has a gap formed in the engagement direction of the first member and the second member and in an intersecting direction as viewed from a direction along an inner surface of the liquid vessel; the second engageable portion includes a second narrow space (S3, S4), which has a gap formed in the engagement direction of the first member and the second member and in the direction along the inner surface of the liquid vessel; the third engageable portion includes a third narrow space (S5, S6), which has a gap formed in a direction intersecting the engagement direction of the first member and the second member and in an intersecting direction as viewed from the direction along the inner surface of the liquid vessel; the second narrow space (S3, S4) is interposed between the first narrow space (S1, S2) and the third narrow space (S5, S6), and the first narrow space (S1, S2) and the third narrow space (S5, S6) is continuous to each other through the second narrow space (S3, S4). at least a first member, a second member and a third member; and a first engageable portion and a second engageable portion being configured such that the first member and the second member are brought into contact with each other to be engaged, and a third engageable portion being configured such that the third member is brought into contact with the first member and the second member in a direction intersecting an engagement direction of the first member and the second member to be engaged with the first member and the second member; the liquid vessel includes a wall portion, the wall portion having an inner side defined by at least the third member, the wall portion extending in a depth direction of the liquid vessel from a bottom portion of the liquid vessel and a periphery of the bottom portion; characterized in that; the first engageable portion includes a first narrow space (S1, S2), which has a gap formed in the engagement direction of the first member and the second member and in an intersecting direction as viewed from a direction along an inner surface of the liquid vessel; the second engageable portion includes a second narrow space (S3, S4), which has a gap formed in the engagement direction of the first member and the second member and in the direction along the inner surface of the liquid vessel; the third engageable portion includes a third narrow space (S5, S6), which has a gap formed in a direction intersecting the engagement direction of the first member and the second member and in an intersecting direction as viewed from the direction along the inner surface of the liquid vessel; the second narrow space (S3, S4) is interposed between the first narrow space (S1, S2) and the third narrow space (S5, S6), and the first narrow space (S1, S2) and the third narrow space (S5, S6) is continuous to each other through the second narrow space (S3, S4). the first engageable portion includes a first narrow space (S1, S2), which has a gap formed in the engagement direction of the first member and the second member and in an intersecting direction as viewed from a direction along an inner surface of the liquid vessel; the second engageable portion includes a second narrow space (S3, S4), which has a gap formed in the engagement direction of the first member and the second member and in the direction along the inner surface of the liquid vessel; the third engageable portion includes a third narrow space (S5, S6), which has a gap formed in a direction intersecting the engagement direction of the first member and the second member and in an intersecting direction as viewed from the direction along the inner surface of the liquid vessel; the second narrow space (S3, S4) is interposed between the first narrow space (S1, S2) and the third narrow space (S5, S6), and the first narrow space (S1, S2) and the third narrow space (S5, S6) is continuous to each other through the second narrow space (S3, S4).