liè​kǒu

breach

裂口 liè​kǒu
breach noun
a crack, split, or opening in a surface or material

Due to the dryness, a long crack appeared in the wooden floor.

vent noun
an opening in the earth's crust, such as a volcanic crater or fissure

Magma spewed out from the fissure on the side of the mountain.

Frequency

Movie subtitles
1.19 per million appears in 1% of films
Written text
1.05 per million

Sources

Definitions
CC-CEDICT