cleave
Transitive VerbIntransitive Verb
Meanings
Transitive Verb
[~ something]
To split or sever something along a natural grain or line of cleavage.
"He used a heavy axe to cleave the log in two."
Intransitive Verb
[~]
To split or divide apart, often spontaneously or under pressure.
"The rock began to cleave under the intense heat."