Bible Dictionaries
Bull Moose

Webster's Dictionary

(1):

A follower of Theodore Roosevelt in the presidential campaign of 1912; - a sense said to have originated from a remark made by Roosevelt on a certain occasion that he felt "like a bull moose."

(2):

The figure of a bull moose used as the party symbol of the Progressive party in the presidential campaign of 1912.

Bibliography Information
Webster, Noah. Entry for 'Bull Moose'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/bull-moose.html. 1828.