flat
spin n. 1 aeron. A nearly horizontal spin. 2 colloq. State of panic.
superl. Having an even and horizontal surface, or nearly so, without prominences or depressions; level without inclination; plane.
spin n. 1 aeron. A nearly horizontal spin. 2 colloq. State of panic.
superl. Having an even and horizontal surface, or nearly so, without prominences or depressions; level without inclination; plane.