William Howard Taft wil·liam·ho·wardtaft uncommon noun 1. 27th President of the United States and later chief justice of the United States Supreme Court (1857-1930) SynonymsTaftWilliam Howard TaftPresident Taft Related words Broader terms President of the United States WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.