A component for a gas turbine engine, the component comprising: a wall having a first surface and a second surface; and a cooling hole extending through the wall, the cooling hole comprising: a metering section extending downstream from an inlet in the first surface of the wall; and a diffusion section extending from the metering section to an outlet in the second surface of the wall, the diffusion section comprising: a first plurality of lobes (124A, 124B) diverging longitudinally and laterally from the metering section on a first side of a centerline axis of the cooling hole; a second plurality of lobes (126A, 126B) diverging longitudinally and laterally from the metering section on a second side of the centerline axis; and wherein at least one of the first and second plurality of lobes comprise a curved bottom surface (130A, 132A, 130B, 132B), characterized in that the curved bottom surface is concave in the lateral direction relative to the centerline axis. a wall having a first surface and a second surface; and a cooling hole extending through the wall, the cooling hole comprising: a metering section extending downstream from an inlet in the first surface of the wall; and a diffusion section extending from the metering section to an outlet in the second surface of the wall, the diffusion section comprising: a first plurality of lobes (124A, 124B) diverging longitudinally and laterally from the metering section on a first side of a centerline axis of the cooling hole; a second plurality of lobes (126A, 126B) diverging longitudinally and laterally from the metering section on a second side of the centerline axis; and wherein at least one of the first and second plurality of lobes comprise a curved bottom surface (130A, 132A, 130B, 132B), characterized in that the curved bottom surface is concave in the lateral direction relative to the centerline axis. a metering section extending downstream from an inlet in the first surface of the wall; and a diffusion section extending from the metering section to an outlet in the second surface of the wall, the diffusion section comprising: a first plurality of lobes (124A, 124B) diverging longitudinally and laterally from the metering section on a first side of a centerline axis of the cooling hole; a second plurality of lobes (126A, 126B) diverging longitudinally and laterally from the metering section on a second side of the centerline axis; and wherein at least one of the first and second plurality of lobes comprise a curved bottom surface (130A, 132A, 130B, 132B), characterized in that the curved bottom surface is concave in the lateral direction relative to the centerline axis. a first plurality of lobes (124A, 124B) diverging longitudinally and laterally from the metering section on a first side of a centerline axis of the cooling hole; a second plurality of lobes (126A, 126B) diverging longitudinally and laterally from the metering section on a second side of the centerline axis; and wherein at least one of the first and second plurality of lobes comprise a curved bottom surface (130A, 132A, 130B, 132B), characterized in that the curved bottom surface is concave in the lateral direction relative to the centerline axis.