Abstract: The invention concerns a container (1) made of plastic, provided with a body (5) and a bottom base (6) extending from a lower end of the body (5), the bottom base (6) comprising: an annular central zone (11) concentric to an injection point (12) located approximately at the center of the bottom base (6); a peripheral seat (7) defining a laying plane (8); a concave arch (10) which extends from the periphery of the central zone (11) to the peripheral seat (7) and having a rounded general shape with a concavity turned towards the outside of the container (1); a series of principal reinforcing grooves (13) which extend radially from the central zone (11) to at least the peripheral seat (7) defining for each principal reinforcing groove a main axis (G, G?, G?), According to the invention, the bottom base (6) further comprises a series of notches (15) and in that at least one of the series of notches (15) locally interrupt at least one of the series of principal reinforcing grooves (13).