noun
(countable, US) The rolling of logs from one place to another; an occasion when people meet to help each other roll logs.
(uncountable, US politics, figuratively) A concerted effort to push forward mutually advantageous legislative agendas by combining two items, either or both of which might fail on its own, into a single bill that is more likely to pass.
(uncountable, US, figuratively) Mutual recommendation of friends' or colleagues' services or products, such as book recommendations in literary reviews.
verb
present participle and gerund of logroll.