[ lawg-jam, log- ]
/ ˈlɔgˌdʒæm, ˈlɒg- /
an immovable pileup or tangle of logs, as in a river, causing a blockage.
any blockage or massive accumulation: a logjam of bills before Congress.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for log jam
noun mainly US and Canadian
blockage caused by the crowding together of a number of logs floating in a river
a deadlock; standstill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for log jam
Online Etymology Dictionary, © 2010 Douglas Harper