A crack or fissure in a glacier or snow area; a chasm.
A discontinuity or “gap” amongst the accounted variables and an observed outcome.
A deep crevice or fissure, such as embankment; the clefts or fissure wherein the size of a glacier is divided.
A breach within the levee or embankment of a river, caused by the pressure associated with the liquid, as from the reduced Mississippi.
A fissure or break: a term used by English writers in explaining glaciers, to designate a rent or fissure in ice, which might be of better or less level, and from an inch or two to a lot of legs in width.
In the United States, a breach within the embankment or levee of a river, occasioned by the pressure of liquid, as in the reduced Mississippi.