bod·y·build·ing (b?d??-b?l?d?ng)n. The process of developing the musculature of the body through specific types of diet and physical exercise, such as weightlifting, especially for competitive exhibition.bod?y·build?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.bodybuilding (?b?d??b?ld??) n (Weightlifting) the practice of performing regular exercises designed to make the muscles of the body conspicuousCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014bod?y?build`ing or bod?y-build`ing, n. the developing of muscles and physique through exercise, weight training, etc. [1900?05] bod?y?build`er, bod?y-build`er, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.