Bull Moose

a member of the Progressive Party under the leadership of Theodore Roosevelt.

Also called Bull Mooser

[moo-ser] /ˈmu sər/.

Origin of Bull Moose

An Americanism dating back to 1880–85

According to the story of the Indians, the beast's antlers were like those of no other bull-moose ever seen.

The Secret Trails |Charles G. D. Roberts
A bull-moose might almost have thrust his great head over our shoulders and have escaped unnoticed.

The Empty House And Other Ghost Stories |Algernon Blackwood
I saw plenty of tracks, heard a bull-moose calling, too; but I didn't have time to stop.

Historic Events of Colonial Days |Rupert S. Holland
Ordinarily the bear would not have waited for any trouble with a bull-moose in the month of September.

Wild Folk |Samuel Scoville

It was the bull-moose—there was no mistaking him for any other creature.

The Hunters' Feast |Mayne Reid