verb
(intransitive) To exchange political favours.
(transitive) To combine legislative items, either or both of which might fail on its own, into a single bill that is more likely to pass.
To roll a log in a body of water, while balancing on it; to birl.
To move like rolling logs.
(transitive) To safely move (a body) in an emergency (medical) situation, tilting them up, then laying them on a transport surface.
noun
(emergency medicine) A method of moving a patient, rolling them onto their side, and later onto a transport method such as a tarp, spineboard, or stretcher.