Wiktionary
hived off
vb. (en-pasthive off)
Usage examples of "hived off".
The solid column of refugees emerging from the station was slowly breaking apart as Colin's co-workers hived off small groups and led them away.
Some of these were screened off from one another, but mostly the great room was open, save for a single large area hived off behind thick timber walls.
In less than three months, MOM had doubled in size, tripled in staff, and hived off StreetSmart and The Peace Library into their own facilities.
Bits of the ship/building hived off as bands of non-light struck and scattered and collapsed in searing bolts which flashed from corners of the pentagons.
Marshall had been hived off into NASA from the Army Ballistic Missile Agency, but its military origins were obvious.