Abstract: A wooden container provided for the maturation of a wine or a spirit, comprising wood pieces (6) elongated in the direction of the wood fibers, assembled together in the width in order to constitute a closed container, characterized in that it includes at least one wood piece (6) which has an inner surface in which at least one groove (36) is arranged forming an angle relative to the wood fibers representing the longitudinal axis of growth of the shaft, in order to obtain a cut of these fibers intended to be exposed to the liquid.