billed bil·led UK/bɪld/ US/ˈbɪld/ uncommon adjective 1. having a beak or bill as specified “a thick-billed bird” “a long-billed cap” Similarbeaked WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.