A breach in a canal or river bank.
A discontinuity or “gap” between the accounted variables and an observed outcome.
A crack or fissure in a glacier or snowfield; a chasm.
Any cleft or fissure.
To fissure with crevasses.
To form crevasses.
The mouth of a river.
A small opening or orifice, as in a body organ or passage.
Any of the small openings or pores in a sponge.