Breadcrumb Home > Thesaurus > A Synonyms of acetabulum Find synonyms for: Noun 1. acetabulum, cotyloid cavity, socket usage: the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of acetabulum (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: occultation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language