bellwether
bell·wet·her
noun
1.
someone who assumes leadership of a movement or activity
Origin
From Middle English belwether, belleweder, equivalent to bell + wether (“castrated ram”).
Phrases
- bellwether state
Related words
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.