barber-chair

Etymology
From the resemblance of a tree split in this way to a barber chair.

Verb

 * 1)  To split vertically upward from the partial cut and fall or kick outward.
 * 2)  To split (a tree) in this manner.
 * 1)  To split (a tree) in this manner.
 * 1)  To split (a tree) in this manner.
 * 1)  To split (a tree) in this manner.

Noun

 * 1)  (when used attributively).